{
  "manageEntity": {
    "action": "Update",
    "entityId": "98997469",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":98997469,\"owner_id\":951995708,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Metal\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Psychosis\",\"duration\":235,\"audio_upload_id\":\"895a955a04180b895a4b4bc9ef6ea531\",\"track_cid\":\"baeaaaiqsea7wcdej2xzo2avq6ebmyvj2v5k7bsdfxbr25ashd2mmrnahpcibg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsectfspirkmchm5zcnp66zz7mvtio3j5ct37f3uh5kfgelpxzaxbly\",\"orig_filename\":\"eMastered_Psychosis.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":99,\"is_custom_bpm\":false,\"musical_key\":\"B flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xf2a09315813b0fbf10c66d2df1ddf51548c64086605c9946e504d73e37bc5bd0",
    "signature": "0xac8439431e573b40df0a5d753e965a167216c37350b102c432a4815a7b9275856d91f8db82516c0333bb76162aba29a41ea9dc88dcb003661080f778554e82d81b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}