{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa80a18538ae85bd550ed442946945a07480509779228e03656cbf40d3d6eadf8",
    "signature": "0xb4f9210d3cd88e4732e6d82cf95d9e9254a84a9547a491f1f1f8add173c568890129f0bff2f2c3fc72da94cb808e1fb0ae5e57cc9a66c92437c2e899b25ff18d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}