{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "989073793",
    "entityType": "User",
    "nonce": "0x6618200f0de159f5f4d897d1ee2f8e410cf8834956e676ab39a32720777bfb2f",
    "signature": "0xe06e9ff6be34c75875e465a6ec72042fadfa6236014094227a00bf4b7f1c2e9b03991e4c93c5caa08ca5199e656811a4b9e963093794a5e598e223f3aaa3841a1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}