{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57937",
    "entityType": "User",
    "nonce": "0x9fea96b26eefc4fb1f86d94f6c1f24ca11195f854e227052eade2d83bf1a42a6",
    "signature": "0x1c08149a85a214d3dc98d46888701302013773ad7a4f0a186336b844fbab226f76f488ac97285f4fe3902ffa8e8fc65fe4884fb7f1a82a0f11e39e236b75b07b1b",
    "signer": "0x1bb42208903Bfbd2C21D8Bac98B8F0E6EcAF9d4F",
    "userId": "816328256"
  }
}