{
  "manageEntity": {
    "action": "Create",
    "entityId": "1911017091",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1911017091,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Dubstep\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Upbeat\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"GORILLAZ - CLINT EASTWOOD (STAR MONSTER FLIP}\",\"duration\":242,\"audio_upload_id\":\"309c8657801706306e35adecc5f7d47c\",\"track_cid\":\"baeaaaiqsebzwgdm4nnwku3ovpt6ptncmp6xnkyxpmkxiwm4vimgmn4ikp3wc2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea44u44ugitfr6n355d4wry5hmkh77io62l5w66ye6coj677qihp6\",\"orig_filename\":\"GORILLAZ - CLINT EASTWOOD (STAR MONSTER REMIX) Official.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":59009,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsechmr2cc54gsfa5z4dq3mgxv3ceatgg7gwhnunykaiyzdrrmnyt2w\"}}",
    "nonce": "0x39db238a8ae299cf72f7760cb757263e5d36eb422c379ff783481ab4f162a11c",
    "signature": "0xa2fb9afcb37ce3cdb2044d3631055017ad464707cf04f230ebf1f36365fae29720767d757dd263a0c1b94651f9d26f37f79dc31b805a83ffdfe268bea022854a1c",
    "signer": "0x3d19Bc55Bc4D96ad61d4D9e989e0f70d22de9A0D",
    "userId": "59009"
  }
}