{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xab886bde62a19e731ca7878d1ab5fb7696f55c1246dc2a7b76a73b6e4d7afd15",
    "signature": "0x1c3b7b6f5bae260c90c88c35b22ceaf96b98cfbe548c8be9f43fe2fa84911ffd2db0a182ea543bf198aa1a1c0ddf32573861492c6b036323c43ddf2fef7850de1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}