{
  "manageEntity": {
    "action": "Create",
    "entityId": "1854490591",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1854490591,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Valley of Tears\",\"duration\":12,\"audio_upload_id\":\"1021ec7a26ba5f955867e0f9527abd4e\",\"track_cid\":\"baeaaaiqseanb443sapfbgnckpmyrzo4rbexb7sqdx5e2nc5yabqnqypawe3mi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec6v7yq37uzragl6bl4l72yozfjisyofq7ukyecndre5badkhrf2w\",\"orig_filename\":\"05. Valley of Tears.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":332599791,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea3lta65gjhhzrjprwdgxzp5fzhjh3oarjkz7n6ihuwqioqhbf2em\"}}",
    "nonce": "0x3dc4c5daaad8fb5bdfbd69b9ebaf9db7fb97bb3e8f708237fd31246f103d4c09",
    "signature": "0x7cb2f6647f01bdf669d38b787031050aa2375f6f73aa770298bf668652e52d884d0c01e74200ca316c8050ddc9826d17d62eafa4417eddfe24a4d5093bef4e271b",
    "signer": "0xbA0158bC98bfcd8D47f1ff0eC67bE72A83C479FA",
    "userId": "332599791"
  }
}