{
  "manageEntity": {
    "action": "Update",
    "entityId": "1297697594",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1297697594,\"owner_id\":293079302,\"description\":\"cover of a song by Rick Wakeman\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Anna Bolena\",\"duration\":392,\"audio_upload_id\":\"e1459aed22512d6f56b6770dc00ffa63\",\"track_cid\":\"baeaaaiqsedmispg32tuhtobc25wyhnm7op47rbsjq5wpc7hfr5ootai3j4b2o\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebjgb3ypezy5vkisau2tyn4eh65h7h2luqiijmd52v7pq3vp2o3dq\",\"orig_filename\":\"Anna Bolena.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":104,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x9b55b2a324c98a24c70fabce79b8bdc9a44a106b87ab68433adf731009b223b4",
    "signature": "0x341104cc3565c556e4808fc02d4d44f78332096f7d010f4b8f5c1f01e77b0fba1b96793a420d7fc26e4466845cd9a91dcc3a9df345538313fd6c661c82ddea581b",
    "signer": "0xf09655016E5BC398915040fFD29A085937AC6928",
    "userId": "293079302"
  }
}