{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x131d94e0cecbdd7691a1c5100a6ad872c16b643adc2a8e3fb6230f78adb93033",
    "signature": "0x95d9685089ce482f36e299f2815137c16a3cbb294a7bdc804e241751d8b52144183740b52858a071faa60a4284ba9ed9f6e351dced1940e4bb49cef6b78e3afb1b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}