{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xb9b8237027c20c6280eb82eb1b9e6545ec32d31e7b2c7a9ed035a55e4faef6d5",
    "signature": "0xa491052806dbdc5b404ca2530bea91a3a3b3f60a7da637ac2828bc55508a05f40e8e9f3ab8bb2f46f00da8fdaf1611e44ee64da293a3cf83c4a32a1e34b68b531b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}