{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8ee578ab396023d11cd9f94cbbc4c85b76ef034b9736078359eed765c1597a3a",
    "signature": "0x8367bb699780034150681fc574a6054fdceafc96e4a1d97ba45a616b7d664dec68c8f1112e7388fb87566e10e3a632c01d859b85e4663b9c70f03638a1057d9b1b",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}