{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7abf113c77fd28f18c6ddc5cbe4e6432160bb18c024cc37c14ce7ebf48cb5ffa",
    "signature": "0x5a33c3d4a9b272755a1f4a057309eea9f2bbe01f2750698fb95c39cd7ed39db52b5cd5eb420b6972fe74d1942e92481ba363f9bcf832e92661baa0a1ca2fcf601b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}