{
  "manageEntity": {
    "action": "Create",
    "entityId": "1216373632",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1216373632,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Ambient\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sensual\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"maoC\",\"duration\":1912,\"audio_upload_id\":\"8d212214e7b31cc2bef0f2c0cc217f36\",\"track_cid\":\"baeaaaiqsecll4fuyruaido4kboqbklcqbxuvxwauya25mm72yuciissgs2sho\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsearpswrmcpnpbl56q2t5shru2k6lc6wsimf6aki7biqa3i2rwxog2\",\"orig_filename\":\"maoC.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":135,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":909603442,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsec6723dr6tnazy6fvcsxhug2vpa66rgtsfgv5xu45jcq6w4emlrr4\"}}",
    "nonce": "0xdcc444a984e499b33f6b447314c9d013c1a3735bed486a8ab6bcca7c3a658247",
    "signature": "0x08a55e3047b952331b0514fb0d15b100e92de7ba178e883a07354ed2c420e917698ffd9377fac1248e39fe1f1be49af3fbef7766b8f0bec49c65c41a0404f1cd1b",
    "signer": "0x95d7810de25Bf710831496B54DEa337fAe521435",
    "userId": "909603442"
  }
}