{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa2cca0298682384ee8811072450d2c053f84e26903fd891671569eb767f5d7ec",
    "signature": "0x2ad2468c20b1fc2f09d33e0347857cfa1663a706f8ea97f95a99e2a0d1ff7d3a6f96e9833552294c5a64a7ba28bdff162e01c8e80b3d3b4ae3b509b9b7f856311c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}