{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127462678",
    "entityType": "User",
    "nonce": "0xe303a6d5970fb0da016395af1fd24b5ba9fa1fd4b1f4b974547e4fa3c79d3d93",
    "signature": "0xf5e07cbd4e1da2c9a60847d4fa5060c7c453def03273f55533488a014a2214b81b8a9436ea07fde83769fc7ad8233aa9e423a5e7b75fb7ce6272beec1f1ce8051c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}