{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9611",
    "entityType": "User",
    "nonce": "0x53095509b08904e12fc16252c475dd28c93fe79810354e9b6ef6fc2b8056e273",
    "signature": "0x0a0a4febaedca17db0b1c3c99222bc2e1157a28dbd3dc6612c1d8ee64069e94414779344cf1fd22d3532899f89f0bcb63552d2e515f0edbb37da354aea00a4ab1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}