{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x135f3932174797301de96efb937da5d235600a586a9271b7e64e87322990cbb6",
    "signature": "0xa22feeed59671cf6a3e7b7d27be05d68e46c9a00a300b7b8d679c50a4dc009dc695d3305ae0293f540f54795f804ac2518eb46934b576fb27f19cfd10aa588511c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}