{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0x7133f7a18f3e8cce79e332e3e8707d17d1634405eed338a1601f2349b9eb2582",
    "signature": "0x9a9abec51ff225c57bb98510c7c15c02ba5ad4604b1073b896d9482df79ccf750910b8043553a62f680bf4e64207cc8c302e2eb2963a0fe0b6336cb53e4d55ca1c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}