{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192651",
    "entityType": "User",
    "nonce": "0x6b87fb5608947d254b059985144d55a5d44bdabd686866b97143e6c091c87bce",
    "signature": "0xd26231042de491a3d8db5d731fb4a426742ea6f2df03d753a49009fd0cef5ae2544ac80eca8df8de00acdbfa19a3c7abc9ec7257c3474d0314ee1ecf80b5c74c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}