{
  "manageEntity": {
    "action": "Create",
    "entityId": "1912077015",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1912077015,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Calma de Última Hora\",\"duration\":223,\"audio_upload_id\":\"0badf88445f850dffcc3729a077a39d6\",\"track_cid\":\"baeaaaiqsedxhkmmakywvqe4fcgalcytfbjtezmbjvu3hccwiq5zdyucqldeoe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec77ph6axsvyr6emgnwyzina2aq2n4wluig2pp2adpwodaypmvseq\",\"orig_filename\":\"Calma de Última Hora.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":129,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":731078861,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebmcln7vjwxcd3svihaufvhqcvdqtiobbvvybvjffjuioenabayvu\"}}",
    "nonce": "0xbb318d9d3248886f9b687c1a3c5c75d4154dd58bdbda336330e6863b9f6fcdc5",
    "signature": "0x1740a1106348a5a238bd4f6cc29e74ec45ac78abed40850f0dd0477535fb55ea6168b7090aa912648594cb82c273d37992e30443e67c05118bcc201dbe7a8b0f1c",
    "signer": "0x715dcdD7cD180C5B63c84bE69157E9c4318EFD1a",
    "userId": "731078861"
  }
}