{
  "manageEntity": {
    "action": "Create",
    "entityId": "2122781403",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2122781403,\"description\":\"The Real Blueprint Track 2\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"R\u0026B/Soul\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Exhausted\",\"duration\":390,\"audio_upload_id\":\"954b6cbb08f7797d68ce2996d231821b\",\"track_cid\":\"baeaaaiqsec6zmhbfclrtx6d7jztczzcb32oewdcrigf4lcxlla4sehzvylii6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseanslgd23tvlsqokwnvlahefm2onqerwhzmujzjhzbgjcjnagt52m\",\"orig_filename\":\"Exhausted.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":112,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":507170227,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecjrzphzeocnvuozswsinaacyjmhlygwstazbtrfqrty25v2454mu\"}}",
    "nonce": "0xe763e60f4be7560988e0713cf3e2683d11df8cb3f9bdbcfef092a4e12d43fb63",
    "signature": "0xe3f701923c4d9049a375311ccd94dc8fb87d9fecfaf9bffbcdb17bf132135f7f0393a8044d931d0b26713fc9b3703ddc4650d98b23160f7664a6c9ad4d6e17791c",
    "signer": "0x56F7450749B92d306C521a22A64BFfc99f3C4756",
    "userId": "507170227"
  }
}