{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5937ad9c64cc9368a69b01c32b960ebf7490d937ededff0fc71a4f08900af00c",
    "signature": "0x003e45f7ede32a85a78d2a100caf5956b5e93189cd371cbdd3f78ecd1ed3b9a74c86ce57266005dd5e6f0e8be66a422dc4cc145897eb900b68f67c59fb18fb4d1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}