{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x756a4703779884f0cc0879b3e78563e9b4e2edcddd6eefb61982847f39caadb0",
    "signature": "0x88e8efeede2b10ef1ccff96060330d33c6acbe8eee20544a14d11dbff6a12c0b7feb7611ddc7cabad419e28d35be4eedf72d9a5e7a1acf12d2f3e5bda9e7ad7f1b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}