{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166539",
    "entityType": "User",
    "nonce": "0x391ec1abf15e18634500384caed300c6e4421d716adb5f2c90e238ac4d43f2f9",
    "signature": "0x8115ef63a255c43551f66d1b74b2a50a22f10fe835570eeea70b422baca7be09678febfb06d506448f1d549d1a645309f98104c6fa8b2023b6b36d2550b5808b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}