{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9e301f5af7301a441ca13d47945a833a4281e77ed07dc99e58e3181bb3fc410e",
    "signature": "0x822ac58e0fae83d50d28dcd3bc22078a4323b62efbfcc273b8e2fb20599d071c29d7bfe5e7db575d2c7f44135c0b82baa6e4294d713d5b65cc2e7d2e3f4d1fe01b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}