{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd960beb5d44d2fd3843df02af72f4b1a82253d1ca78347e9853648ba5b912c38",
    "signature": "0x2e0d7c72f6bf6713559682be73c6077873d057c717cfb3b0e29f236ab281dbbe40673d1f9ceafd573654af9b73f0f50e1af2de24a66ce6651317eb1668382b6a1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}