{
  "manageEntity": {
    "action": "Create",
    "entityId": "1961613957",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1961613957,\"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 22\",\"duration\":300,\"audio_upload_id\":\"d3d8dcf79bf64abeb11ff640d2e89d45\",\"track_cid\":\"baeaaaiqsea4mtebydxal2gxxfgpxfy7zyj2wif2j2tlblddaxjt5hpaiksrde\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebxb5gcbf3w4mhhszhss4rt6bnh653vdkh2n5k7bm62fazt3m2sxi\",\"orig_filename\":\"Chapitre 22.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"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": "0x6138370f091df9109729b5a1eb1109e2ac215712374722d0c73b1727191dbd01",
    "signature": "0x6bb0c16e53bc137c98d2383cce494faef5dd4f24177722de0087d1bf080335686227e77931b4f42f53113e3502e99bfb7960e3b6f712de0caafeef1b2e55b6c21b",
    "signer": "0x7B8ceC5EB9388Ac1045B7a1Ce60AE9235d6C6309",
    "userId": "743587390"
  }
}