{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa7bcba1ffd22173c3100f0b6386c97482b33fefd95dd4c8953ff5abd8085e9bc",
    "signature": "0xdcca0a79260a9c8ae26211c82eeafa0b81d0a4b2081fec3f5365b58edf081c920289ba25e04085a3638943176ec04b524a88e9650dbc02901703f21ceec61e6f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}