{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2411",
    "entityType": "User",
    "nonce": "0x6686427316ee10c3418b7e2a14550b98a0544f3b715c446994c58e3f8635891f",
    "signature": "0x3bb7168138adcf09b651f5a6d578a482e431945e8398d8250cf20375a07ae7825703dc3517e5f0cc1089f23d8b2ae25d5b09d6d5357f7f2c1734ecfd52591bc61b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}