{
  "manageEntity": {
    "action": "Create",
    "entityId": "1197130834",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1197130834,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Blues\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"blues\",\"title\":\"Area Code Blues\",\"duration\":218,\"audio_upload_id\":\"c0bd5d620ad5d454b2e78012766c41fd\",\"track_cid\":\"baeaaaiqsebickfwye47zevu33fkg5zbb6yalnsoo7c2hftgsel2ikhxbopk2k\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec3qjdsjndxaqpvwtecndal2hfjf7xuudqtk4gndeg6zwwkadyjvw\",\"orig_filename\":\"40-173. Area Code Blues (1).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":96,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":144585121,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsealnxtumjljlbzwigcg4a2swrf4gnmflfwn42kn3lvv7s5nbuvvf4\"}}",
    "nonce": "0x3f4387fc90259ea3052d667fad92cf569c64c0cedadc7908108950a58563c17b",
    "signature": "0x54ac3de96fc2211e24314366aee97076ee5111401c8028d964859c0e2278f24646ceed9f19c0d2f9dc9912cf7d33fa268090a91477070943212d0564cbba86711c",
    "signer": "0x044FC5a5dDb09Fd969Ac4aa606CddF360FE384dC",
    "userId": "144585121"
  }
}