{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd052e6388626274ac367f30069805fcb8bfdc43448bf9718bd17d3fe17b4e3e8",
    "signature": "0x39d6a3704430ee4916e545d286676c16d3b90493b64f2657ea0e41eca766b75c74a82133e5fd69bcd707daf39b6e73a583e127a88215d0b59d3c084cf1a52cf21b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}