{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0x0518a4281c9e2ababb231c9339741016e94a74ba69ca186468a394cdce136f3f",
    "signature": "0x3a06c87937dea64218a2fe2afca60a93568b49a5867759b1590b168d36377ffe0e9fac05ee6f2b7312e8b6defa2f5d4b3e8aba5afdc6d5d5b61b5386616ef8fc1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}