{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x70e53a96b8cdd1aea2ab51ba90080318807b0d1434ddb193301d340e3843d22d",
    "signature": "0xe580ff4997bcd642620d14487db23365e5aa3902e2acd3af4ae1339adfcb5df40b24ac93fb6fb79b780e11a2c3d757e910c48ae6a563b0125a3f26b4f151a0a01b",
    "signer": "0xA15B16B79329FeD8a32235A0fe8eac6473Ae766c",
    "userId": "511938019"
  }
}