{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x6e458f685adc187ed7fcd4a31012e6ed70af3743656a077c6c2c0f80d5d90020",
    "signature": "0x8618b52df3f42c96d0ca8939693c68e891530d181adff4b8cd0786b14b31893620de9971bab1a629b945e5c9334957e84a5eeed6a8cf6483f4dea97641b412b41b",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}