{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa9bad05c4346d7a63bbd2418ec98637dd4fe23ff2bfb152f8626de102dab49d1",
    "signature": "0xa9f750bed2257d9b38406a03568a51f32e5c1f8e834e83099c91a9ceea365c581be02cdd4bef8fe82609192ac2a21a1eefbf7051960bad2daa1e527f4f439b611b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}