{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "791433195",
    "entityType": "User",
    "nonce": "0x3e61495acd688cb6f1ffc28e87cbae428c6d8b02567d3a78e9e142d3cef67cf4",
    "signature": "0x1bb383c537ce5e5ca4583c96ba908013772f7954bb4dd31fb541d1f9c434363875a69ac74dd6d27bf4c92cda930c99ffa15f8f2c231b710e9fbde3ae5770911e1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}