{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb95e0c810b0ba9815e50ccb76f7ea39a6128a29a7b98c20c9cacee0442008f63",
    "signature": "0x6d8b6c495e8019e9c42f3ccf9edb89e594cee5f8bd16e3e82df869c357b496be65b2f4c6ab4699e9740f3d9485fd220740776128770788b21b9185630952ef471b",
    "signer": "0xBa15C1AEf9dA7Cd9F83c93015a3257Ba2C3d2C60",
    "userId": "176348931"
  }
}