{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfe0e19086367f7c7a6c61deb086af5aeaf6a10ad7ecfa34bb13e5e76d7f598ad",
    "signature": "0xfbfd96bb8a071dec4158715cccf05e522550cb7bbf48cc87635cbe7cc927fe0c07597df7e05e81042ed4deaeb9dfafabc636c95e6ebd5ba0ad28ca127f7163571b",
    "signer": "0xCcA8985213E0E0B0878309EDB61edfFcB5e760BC",
    "userId": "476284737"
  }
}