{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x56803217058c9fab20ad427cb4739ad387821833d02ea7ca70358a5b3ad0aaec",
    "signature": "0xd08d086b006327ab48dc26231998a3bb5250ffee21af7ed68f65fe7c6497318f7780c9d0b0a4105d146c2bfa67b65b803b39711c4966d8261825f341768996ff1b",
    "signer": "0xdC422De896Fb6f2Be03182bFe11336856d90e5bd",
    "userId": "49186073"
  }
}