{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x395311153c6deb9f3d03b84ac6886335f0c84b1c2e2a60493b5b5dde3cda1b1d",
    "signature": "0x4e1e81fb6a3fa0d9a6ef463c27aea564702854b9c7e2fa86049c10681877341b12d95148bebae7e38dbeef37055ea7974a85e5f768294404bdb9db7214cfc2f01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}