{
  "manageEntity": {
    "action": "Create",
    "entityId": "287969478",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":287969478,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Empowering\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"EoR\",\"duration\":188,\"audio_upload_id\":\"f3b558bc22d50c09a18854e22a7ca20c\",\"track_cid\":\"baeaaaiqseb2p6y5wbnacljo77lvjizvxm2dpcsehvpfxereogsij35p3q55yc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseamcyviyw2wg2qmcudjgnq6y3dc3edqdvfjaipcvhxd22ahkmvj5o\",\"orig_filename\":\"EoR.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":218692613,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedskne6hkcnzucx4kpvctqenyntao2b6pjrpcnwco7rwo5bcyvqdi\"}}",
    "nonce": "0x7d895206eb7bbf676515d5de2fe1cbd9f07664ce20d4d320aeb5bf796b2b24eb",
    "signature": "0x3ab39ed0d95c2af966ae02d136db762dd660a411565109463e8ecd342faf667e451b3373aa9d9ae8b00e12809c5daa3733f0fe6a6687bc1fa9b0b5baf3f0a01b1c",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}