{
  "manageEntity": {
    "action": "Create",
    "entityId": "1103319156",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1103319156,\"description\":\"\",\"playlist_name\":\"605 Микрорайон - Пустые дворы\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1781350913,\"metadata_timestamp\":1781350913,\"track_id\":402784128}]}}",
    "nonce": "0x686aa88afa1f4fafc1627b06ee7de41d2d60b3297e35ad54e517246b5d10a338",
    "signature": "0x0a46fd8dc77a25b13558a3621d51401f99a2f8956a0ebf84f9d041f0ad867dd7457ec37049a943cee18e49858181d82cefb554624ae7894b95067faec0b79d771b",
    "signer": "0x9DdE377c723409FF26023CF1B05dDc885a25BfbD",
    "userId": "672133271"
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}