Optionalca_Issuing CA, for the device's trust store.
Device leaf certificate. Only the claiming service can issue this.
Optionalmqtt_Credentials-provider endpoint. Forwarded, but the firmware ignores it.
Optionalmqtt_Broker host for the device. Optional by design — the claiming service omits
it because the app already knows the deployment's broker, so the SDK fills it
in from iotEndpoint before forwarding the payload to the device.
Response body from
POST /v1/claim/verify.