{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x1c47b70b1fece99ab4c7e6946da2bb62ecff9a8d23d2dc30b970f61d0082f729",
    "signature": "0x2e55c6e50a529a3cddf2734ee246a4ede8d7aafc95dc70d46551e32b89fadc1273be0ec5816283b821a548293a2cecf072f6ecfeaa3927eea884c88039e843081c",
    "signer": "0x1Ca1b0dD8C999C3DE081d614C49390Eb017c17D3",
    "userId": "746024683"
  }
}