{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95decf5263df516ac822109eb95dfbc907df3387948e3ce8c865d765edd09fc4",
    "signature": "0x4f932a624fb7cdcec8804e21e9a7611ba707127f3ae05971644b016e78f172537c3f95460c21b27678d867893d5bcd82d75b181e56c363dbecfe899318235afa1b",
    "signer": "0x7Bc117EE1abf935D4Cc8c77fE47FDA0bd02b56F0",
    "userId": "751460097"
  }
}