{
  "manageEntity": {
    "action": "Create",
    "entityId": "1912641587",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1912641587,\"description\":\"CUZ?\",\"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,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"SPECTACLES, TESTICLES, WALLET, WATCH (1)\",\"duration\":179,\"audio_upload_id\":\"56f50569e4b10d1875742e4194dec60b\",\"track_cid\":\"baeaaaiqseaviy6iuwz7wgjutsibvjw4nbw6sr6qly4hxv6sw6gi4xkvxoc6h6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecbzbopebohs7xwbieal77f75pkhonmkwlvytclenlbfbensfthu4\",\"orig_filename\":\"SPECTACLES, TESTICLES, WALLET, WATCH (1).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":143,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":974702,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebe2gkkc64wa3fbclsiq2yf6mryfrwkc63ryoclfqimjhuopgc4hq\"}}",
    "nonce": "0x17580ed7cef139847f88e91c7b1b9185e0bb234f995d78cc6512b62ef4d3bce0",
    "signature": "0x3afc463a56bb193bfcb8314f0039f13802b379679d2540bda4453e43f26f2f0920f3b54797ea6d75c98f570ab1dd036f5cfdadb1216058e5b42bd212330ca8c81c",
    "signer": "0xE1c9AFB78A96B47327FC435D8c3D4834BC6A9141",
    "userId": "974702"
  }
}