{
  "manageEntity": {
    "action": "Create",
    "entityId": "488161078",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":488161078,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Metal\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Defiant\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Was it Me?\",\"duration\":262,\"audio_upload_id\":\"b47d9836767f16b716f39b9a515e1f82\",\"track_cid\":\"baeaaaiqsebknjmnqzphlxovoleuip3vwzotnyjzuzj7woo4k4a35gaqhbzi64\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb2ofznenbhhcuyh6n6w3235h7fak5f6exrja36dunmtnekynxnci\",\"orig_filename\":\"eMastered_Was it Me_HD.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":951995708,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecishjxyrfauzuu7fqz4oojzcige4el6rypjs2eajyx5oikxnnsmc\"}}",
    "nonce": "0x226cccf007be09805318184e1562399da506d91260723a085c57115a018e5177",
    "signature": "0x63a3f71020ee68e09abd28daebe67cc34f95c52bf082c850c5c759014cc1f4752054c947b795e7d52b250650228bde130dcdd7d6dcbae4215471f5465d30036a1b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}