{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2570de3a903da6d1de3ec8751831431648e54b7806cd6afcce89f9ae66d186d5",
    "signature": "0x78e24908da6c7026f57c4a7c080f3e49e8219f923f37e37bb6b3d0e1dc6b22f067e7b56a73a256bfe0e96a0038516c0f636c50af7f2743e92ecd4a3c17c2ec141b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}