{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x83447f220584cb9497a6763805c74a95e76de8f28038f7027cb354d7200b8769",
    "signature": "0xf4542bee4f8f4fdeec64caf9daf47891b12855abf8f5f67f877b281b0f0fae201a2123358141b96535ae8f91912841e3ce8ab46f6e74d3c27fdf39180ef66dce1c",
    "signer": "0x592CdCb22204FFD199568f9102277A0CdF8255D4",
    "userId": "459488125"
  }
}