{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe0e3752e01948390c8af82d433debe3b8d08df7b5f80f8700236accbd1dff2df",
    "signature": "0x77b82418107aea923651456b1b319b7753ae35484468c2da5029eb2045a2bd89206116bc16f51e114298eb2f3b80740503ec13de5c39cd1f98189a3543391fd71c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}