{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcd936abbcb1844872f5b386633b5f7aca4beb17eb7b07ab4b3b6388d061010c5",
    "signature": "0x8f692e7cac4566d440e7b71f9ef9124babf1cdfe744322d73d978c86794796550e1836cf518222fd2ee9ec782e0b4c02581826c00872b5a3715558a2351886ab1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}