{
  "manageEntity": {
    "action": "Create",
    "entityId": "309366415",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":309366415,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Rowdy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"PsyCluster - JVM Execution Grid Fracture\",\"duration\":272,\"audio_upload_id\":\"398a954006c7da9919aa7cbd7a210c94\",\"track_cid\":\"baeaaaiqsedr7icfy7wd4unqq4vl7qtg75njadrl6sbuvzs7dri5ka5mfa5oya\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseam665effnjdn3om4mpgnsbojlqststahyz5wmixz7uvjg3nnxxmo\",\"orig_filename\":\"PsyCluster - JVM Execution Grid Fracture.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":118,\"is_custom_bpm\":false,\"musical_key\":\"E flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":235256666,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecl4ib7ylderqfs47z6cnzopzplehprz4apu5fbg33csbruv5aitm\"}}",
    "nonce": "0x7fbc97c80f633877760ada973f01f1aef1b8b287fcf8584b0442d267af4352dc",
    "signature": "0x41cdf3d5b0d150292d7dc9a9c8729ae5c8378bd1545787072783a74a677c1d62720665bf25a0bb56ddc92832fcdaa270c9b9f10cd223365ca71808f4e16faaca1c",
    "signer": "0x1640Dba7CFb907fBEF6DBC6b56c742f791632486",
    "userId": "235256666"
  }
}