{
  "manageEntity": {
    "action": "Create",
    "entityId": "161460430",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":161460430,\"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 24\",\"duration\":1809,\"audio_upload_id\":\"77d877e61704586512401809a113c0d8\",\"track_cid\":\"baeaaaiqsecu6jhaorqvw6sxhdnpdobeaydoxtb4zif74g6seqprhoxh3hrtna\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseblniurrd63ku6uqzd25enazxbiqctthl2xe4pfeibpoywnl73mju\",\"orig_filename\":\"Chapitre 24.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":148,\"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": "0x4b6f339997449a6ab0aafb5b7f7d4f818b442b9286f23743319e6ebb4b715935",
    "signature": "0xabddfaae35508ea546e8a995b947fcd68286568356ae38ed695c94172d39f0b374e066f238be670db05a4ce09e562f5d31622179bdea3f959175850d2c55d8f61b",
    "signer": "0x7B8ceC5EB9388Ac1045B7a1Ce60AE9235d6C6309",
    "userId": "743587390"
  }
}