{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53339",
    "entityType": "User",
    "nonce": "0xe41c40e018302b78b10051d0d42cc78f080a25a25fb363bec9baf8d11a148a3f",
    "signature": "0x1e464b713410b91ef95c8220a16796cfb4f29de7beafac45752eb62d830488622306823d0cfa24b1b8b9422a0abebeb65d01e93532b94dde44e45046635490b31b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}