{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374007",
    "entityType": "User",
    "nonce": "0x3851416cf94e282793c54819eacefe73daa18f162087b009fcd1198aa7a3c7ff",
    "signature": "0xf6c22fafc206b6aa6b69c282ee5fc8032c96a5e343aa76c055f6c1547fd3dcbf08b7a7aa4153afbdbc049358df5574c856f27d9f7b45c1a4318d2124bceda4e71c",
    "signer": "0xe2d5dc854661276F91ac9193d716a22d85a0A408",
    "userId": "610082448"
  }
}