{
  "manageEntity": {
    "action": "Create",
    "entityId": "1855078900",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1855078900,\"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,\"mood\":\"Brooding\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"altanative,japanese,hiphop,rap,psychedelic,amnesia\",\"title\":\"02-DORAKO COBAIN - SOMEDAY IN THE RAIN feat.HACK\",\"duration\":261,\"audio_upload_id\":\"94bb777c471d1c158043fe21c4bcca1e\",\"track_cid\":\"baeaaaiqseampplveo2lnupkvnjkmx5lxk5hhya2fxd5s7cqcc3eh4oiqploig\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecpe2jmzvzd6dpyz5pm7hjm6n36chzbilgjw3fxnq7frglsibem56\",\"orig_filename\":\"02-DORAKO COBAIN - SOMEDAY IN THE RAIN feat.HACK.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":116,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":515097345,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebsf6k3skj5pz2scqcg7uuzaj5b3wv35gz6uveza7rr3kzsqgor2s\"}}",
    "nonce": "0x00abb93079b0a9bdef178e0b170b1db56530f4f42cd1bfb2cc80542ab867b45f",
    "signature": "0x05e6936a7feaa878536ed7cf356efa862e781fb93d2496277b8da6000b18e9a122bf05a8e05b3f010c547c71caf83126d6bdac2f8e6d09fe3b1741e0ff3329981c",
    "signer": "0x3779c0ccEAcffc194b6C8613B9e3c7cAF9E94399",
    "userId": "515097345"
  }
}