{
  "manageEntity": {
    "action": "Create",
    "entityId": "137457342",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":137457342,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Velvet Circuit\",\"duration\":173,\"audio_upload_id\":\"26b07b739d43aa437a1f0c66296bc9fe\",\"track_cid\":\"baeaaaiqseb24w7onm2kxd2bnnw2sy2o4dumdupeqickwvhflgfwhpfjvklya6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedjkdgan4vfgolvaapfizjdbszd7ogimc3g63bvzq6jzyt5g3cyde\",\"orig_filename\":\"Velvet Circuit.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"G flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":392316751,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3xnhety5r36rcqqv7t6e5uezy6tatyrygmba5dsdpmkx5wtvqoe\"}}",
    "nonce": "0xcca348ffa91fa588558b316bf20eb000637e14d841f688d20961ecbdcbaf25f5",
    "signature": "0xbde6c400fdfb8c0c991d37a77d566e98f044b0e0ea3b0dcce224ef667b8b1d155292770243a30a2007f112d6ab7d71009a477c4abf887fe803557a384d3f37191c",
    "signer": "0x6151d65D5f24eDf638335E276837A6e4Eb8d2012",
    "userId": "392316751"
  }
}