{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330374208",
    "entityType": "User",
    "nonce": "0xd417f8e9fd1587d0a8e6cb055d9142696e880148cae7990067716fd9d7f2d822",
    "signature": "0x9b41e500f3b066f2959582dbe24fa31b6e474f272af19034a4e852ef128bbf5e4a1b09a09e977152d048d0c5c0fb1115dffc089d21161045a57fb1b3c164d8921c",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}