{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x5ae79485415dd62585bb83542505f1e42427c0f8297f7b07d505d098ecd4a6b6",
    "signature": "0x0b47b737f08d6b024e35b176ab00d2831ee4369edee31f92c08455e9d5c708cf2fdc88903db0d9e4bc2270e54f7f01b6a7791133c9cfd6e6a5200a643d6986ee1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}