diff --git a/agrirouter/onboarding/onboarding.py b/agrirouter/onboarding/onboarding.py
index ad07b896..306dba00 100644
--- a/agrirouter/onboarding/onboarding.py
+++ b/agrirouter/onboarding/onboarding.py
@@ -34,16 +34,16 @@ def _perform_request(self, params: BaseOnboardingParameter, url: str) -> request
         if request.is_signed:
             return requests.post(
                 url=request.get_url(),
-                json=request.get_data(),
+                data=request.get_body_content(),
                 headers=request.get_header()
             )
         raise RequestNotSigned
 
-    def verify(self, params: SoftwareOnboardingParameter) -> SoftwareOnboardingResponse:
+    def verify(self, params: SoftwareOnboardingParameter) -> SoftwareVerifyOnboardingResponse:
         url = self._environment.get_verify_onboard_request_url()
         http_response = self._perform_request(params=params, url=url)
 
-        return SoftwareOnboardingResponse(http_response)
+        return SoftwareVerifyOnboardingResponse(http_response)
 
     def onboard(self, params: SoftwareOnboardingParameter) -> SoftwareOnboardingResponse:
         url = self._environment.get_secured_onboard_url()
@@ -70,11 +70,11 @@ def _create_request(self, params: CUOnboardingParameter, url: str) -> CUOnboardi
 
     def _perform_request(self, params: CUOnboardingParameter, url: str) -> requests.Response:
         request = self._create_request(params, url)
-        request.sign(self._private_key)
+        request.sign(self._private_key, self._public_key)
         if request.is_signed:
             return requests.post(
                 url=request.get_url(),
-                data=request.get_data(),
+                data=request.get_body_content(),
                 headers=request.get_header()
             )
         raise RequestNotSigned
diff --git a/agrirouter/onboarding/request.py b/agrirouter/onboarding/request.py
index e02e0ec7..c39d9d7a 100644
--- a/agrirouter/onboarding/request.py
+++ b/agrirouter/onboarding/request.py
@@ -18,8 +18,11 @@ def get_data(self):
     def get_header(self):
         return self.header.get_header()
 
+    def get_body_content(self):
+        return self.body.json().replace("\n", "")
+
     def sign(self, private_key, public_key):
-        body = self.body.json().replace("\n", "")
+        body = self.get_body_content()
         signature = create_signature(body, private_key)
         verify_signature(body, bytes.fromhex(signature), public_key)
         self.header.sign(signature)
diff --git a/agrirouter/onboarding/request_body.py b/agrirouter/onboarding/request_body.py
index 951ab01d..045c46a8 100644
--- a/agrirouter/onboarding/request_body.py
+++ b/agrirouter/onboarding/request_body.py
@@ -75,7 +75,7 @@ def _set_params(self,
         }
 
     def json(self) -> str:
-        return json.dumps(self.get_parameters())
+        return json.dumps(self.get_parameters(), separators=(',', ':'))
 
     @staticmethod
     def _validate_certificate_type(certificate_type: str) -> None:
diff --git a/agrirouter/revoking/request.py b/agrirouter/revoking/request.py
index d45b7787..cb8605fa 100644
--- a/agrirouter/revoking/request.py
+++ b/agrirouter/revoking/request.py
@@ -28,10 +28,3 @@ def is_signed(self) -> bool:
         if header_has_signature:
             return True
         return False
-
-    @property
-    def is_valid(self) -> bool:
-        if not self.is_signed:
-            return False
-        signature = self.get_header().get("X-Agrirouter-Signature")
-        # return validate_signature(signature)