{
  "manageEntity": {
    "action": "Create",
    "entityId": "1491579592",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1491579592,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Beyoncé - Video Phone Feat. Lady Gaga Remix Glorilla - Hollon\",\"duration\":242,\"audio_upload_id\":\"7783f289274678d8138fd25f31cb0f2a\",\"track_cid\":\"baeaaaiqsedle2yh7kxwsztpz6a3j2af7hryir363wxt74stmyq3sxajvzpsf4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebnf65qxjztpzhovzpcsphiuata4vr7nzzbbx7ne6tm2arc2isnna\",\"orig_filename\":\"Beyoncé - Video Phone Feat. Lady Gaga Remix Glorilla - Hollon.aif\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":104,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":321696490,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedz75klm4hd4p5jwo5ysxpqo6xze44bieq43dqx4ok3q6x66ovduk\"}}",
    "nonce": "0x799ded64de824188a9c0a682a8892dbf439ea31821fc2a6f393f5c8041837e98",
    "signature": "0x62680c0b08324387515ae8ff3e70c06b164a88f4dbfddeb0f33c739f18e4c9b114e5fd2581e92e874c5cba95151b1bebd5a89dc0461d2a34aa26ac57b92d91381c",
    "signer": "0xe4971Ec969214D6A519b3F1E67F4A41cDA926862",
    "userId": "321696490"
  }
}