{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "340527",
    "entityType": "User",
    "nonce": "0x80ac00e5ab4b8b9c65832634b7503d94ac552e1302397f87464d84bfa6625523",
    "signature": "0xabb024bd5da7bd654a67cba9bd2c497fc7dcf5e5e4ef1bdec36dc8e6f2a568e85cafbf08a9799f08d2581b284e9ec36066a07db7847740de79641d5b50e302d91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}