{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd785dfc6afe7d568224861894b2e5fcf01c48a41ac6ede9e2862b282f6e73ae9",
    "signature": "0xef8a3c02dfc4e856c4e371ad74d8cdda92c791e45eeba8c848de6642c6cba9832f8e59f9fa97bda599fa12b574ce2529d5976ab10350234173561da46c221fea1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}