{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe3c65df07aae089d8ed13f74bbc1e6231dd72b61d230715a3ba62886bc8c2a6b",
    "signature": "0x1e79d4255d3371d6daa51f8023b23d2c09e46c26ca4d495ab3f910316a62c3b905656633bd10050c4b83eada3b2f76e84ee6cae74e1f3ab308990ec3be36a4271b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}