SIMPL-6546 Stub endpoint as EDC callback - an update

src/main/java/eu/simpl/simpl_stubs/controller/ContractNegotiationController.java

@@ -23,7 +23,7 @@ public class ContractNegotiationController {
         this.contractNegotiationService = contractNegotiationService;
     }
 
-    @PostMapping(path = "/signed/{contractAgreementId}/{signed}", produces = MediaType.APPLICATION_JSON_VALUE, consumes = MediaType.APPLICATION_JSON_VALUE)
+    @PostMapping(path = "/signed/{contractAgreementId}/{signed}", produces = MediaType.APPLICATION_JSON_VALUE)
     public ResponseEntity<SignedContract> notifyAboutSignedContract(@PathVariable UUID contractAgreementId, @PathVariable boolean signed) {
         log.info("POST request to notify about signed contract");
         return ResponseEntity.ok(contractNegotiationService.getResponse(contractAgreementId, signed));