{
  "manageEntity": {
    "action": "Create",
    "entityId": "757957416",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":757957416,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Acoustic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Easygoing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Hold On\",\"duration\":285,\"audio_upload_id\":\"e2496e2275dce04cc49a97ee7408b82b\",\"track_cid\":\"baeaaaiqseaiksuomp4l2jwoi3byabwhdtrqojsznwjj4dvnzsueotybrozxpw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsednngi3fvhfodam3s4yvygpk4owycsbv4vxfb3ir3lb7btq4oooki\",\"orig_filename\":\"Hold On.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":141,\"is_custom_bpm\":false,\"musical_key\":\"G major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":723334741,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsealdwuew4ogdrrdpiq3crgnxz3lcp4qgkfrtrafke5mn3yvx6wlgs\"}}",
    "nonce": "0x6d82dd563f431e7ba1039369ea1d821b3c2c40df6a38685ecf8e9cea11ef5a96",
    "signature": "0x72b8d874a0456ab8395041202971a2f3eb8f18230e0806776bf429e8065d4d441613ba8eae9b7113f3c993d701b173d731d4452abbdf954bd1b9de3c89d539131b",
    "signer": "0xbE4c4c69bc87C149f670625F67a220aFD51B9B7f",
    "userId": "723334741"
  }
}