{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936468990",
    "entityType": "User",
    "nonce": "0x70555658a2747706ecc30d99c665deded8b922b7b4dbf016cf1c23e608e81efb",
    "signature": "0x115ce96dc330b32be56131dfae907de976c332e94e886ca7ed93e0a96ca045ab0d532882b03438ccb1c67b320925878cee3418f958760c057e122385292d48a41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}