{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7ed5dbec569d901b8cea6e8c577fdeeaf1d89736aaedb9a69d3dbf6413e56e22",
    "signature": "0x5e837c7e258d466d31611262c5e921fb2ef23d8ce3a7e7ec7f2bb544848119e20f9e51913e76d30f8d6c3ff743b44329096f676f83086b0f9187815b8a00bf4f1c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}