{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0d58d6d5ef27fb8aaba65f56cd9b1aec2cbbe2df2368f4a6e219e156c7f93ddd",
    "signature": "0xd75608689c061474d0cdeaea5b72deeca7aa6164690ce08edda09e8c82feeac839873ca506e7d75ba7dda24b666237e70e5d40078facffd086f0338a5647fd821c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}