{
  "manageEntity": {
    "action": "Create",
    "entityId": "2023280481",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2023280481,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Audiobooks\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Chapitre 49\",\"duration\":1424,\"audio_upload_id\":\"7f1949d3aa0dbccc759581b2b67fd835\",\"track_cid\":\"baeaaaiqsebwmvb7kzib2valftsapirkmjh7dbmio5ls5ppysxxsfdinpp4rkg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseczah4da6nualdzruhrlp7uzyihhg4d6zi2ilrlylyl3b4dsrizm2\",\"orig_filename\":\"Chapitre 49.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":107,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":743587390,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebyklhscvopiz2r5qbl6jkj3tppnbuudlybjk4h52lods6tzfjpps\"}}",
    "nonce": "0xa936d9eebe0aeeacc473ca1386589d4d8fe420dda6177c183a447c902211608a",
    "signature": "0x9469937d8bb2baece08e85b9e78184d16c587c1a21ec9e0b69390ce8f20006f26ca45e4107c4358c08bbd9b4a501dd3d6c0c6fa6fd877894b6a211917f644e491c",
    "signer": "0x7B8ceC5EB9388Ac1045B7a1Ce60AE9235d6C6309",
    "userId": "743587390"
  }
}