{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712688986",
    "entityType": "User",
    "nonce": "0xd1b170e1d7b777a0f8241e876dcaa31c799efd406fc7e462ba5e8c65f6389878",
    "signature": "0x33df98c0464165b7c54ea5614b9653ab2c754b796b76634da8b1581a090850055779b2d80bae924e00a80caf5abf4c827e19a88c04acfc6c539bfefe3987375b1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}