{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcbac200d3c4ede4cfe81f0e73df739039a7853766541f00ccd94a32d73ca66a9",
    "signature": "0xdc3f050c3701e5f772c59de9e896ee775410fd72309e4bc43935e0dd10c0bc696c917e67638bc116c4c5da4ed9b4b419ee48f2e3aa927270dcb4ed9597bffb411c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}