{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125784",
    "entityType": "User",
    "nonce": "0x237c4fda79a8d7a7557b9ea99b0973b2d9978aa1ce4748041d5cf34b58b5de31",
    "signature": "0x2896f983b3b73a8196297cd6d1fdcc84da6e0a6a836bf9f57627fbeba8f95bf5050eba84d31e3860e21e1fa011a39667df1adcc53c8237aa17b88a9b1a6297ce1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}