convert response message from json string to json

modules/api/src/main/scala/vinyldns/api/domain/zone/ZoneService.scala

@@ -214,12 +214,15 @@ class ZoneService(
       responseMessage: String = Source.fromInputStream(inputStream, "UTF-8").mkString
       _ <- isValidGenerateZoneConn(responseCode, responseMessage).toResult
 
+      // Parse response
+      responseJson = parse(responseMessage)
+
       // Create response object
       zoneGenerateResponse = ZoneGenerationResponse(
         provider = request.provider,
         responseCode = responseCode,
         status = dnsConnResponse.getResponseMessage,
-        message = responseMessage
+        message = responseJson
       )
 
       // Save to repository

modules/core/src/main/scala/vinyldns/core/domain/zone/Zone.scala

@@ -249,7 +249,7 @@ case class ZoneGenerationResponse(
                                    provider: String,
                                    responseCode: Int,
                                    status: String,
-                                   message: String
+                                   message: JValue
                                  )
 
 case class ZoneGenerationInput(

modules/core/src/main/scala/vinyldns/core/protobuf/ProtobufConversions.scala

@@ -224,7 +224,7 @@ trait ProtobufConversions {
       zgr.getProvider,
       zgr.getResponseCode.toInt,
       zgr.getStatus,
-      zgr.getMessage
+      parse(zgr.getMessage)
     )
 
   def fromPB(rd: VinylDNSProto.RecordData, rt: RecordType): RecordData =
@@ -533,7 +533,7 @@ trait ProtobufConversions {
       .setProvider(zgr.provider)
       .setResponseCode(zgr.responseCode.toLong)
       .setStatus(zgr.status)
-      .setMessage(zgr.message)
+      .setMessage(compact(render(zgr.message)))
       .build()
 
   def fromPB(data: VinylDNSProto.User): User =