{
  "manageEntity": {
    "action": "Update",
    "entityId": "1764354646",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1764354646,\"owner_id\":201451638,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Soundtrack\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Until we see the sun again\",\"duration\":46,\"audio_upload_id\":\"01KDZVAGT5NE5A0VS4VNVFP66D\",\"track_cid\":\"baeaaaiqsedvh522annfj6wvuompmc74f3egyegbmh2lam37zxnyx2wla3wa4i\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea7fx4q6f6imhzb2lkpp7r6apd3ywuc2ewuxxuqy4dsu7g5epujhc\",\"orig_filename\":\"mus_fall_pt2.ogg\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x2cfaab1b30baeac0caad457bbd909995ba8f7d47849541ead1dc677a0fa8a102",
    "signature": "0x083988a9694a3a96542ce0d145f24e9247dc9008d6fdeb5736201d63dcdfee5c1237f08a892d0693eb22e8bc079600558dcdc7b7f9031a3d78c41e3742dc2a6b1b",
    "signer": "0xE8F5265Fe3CDe52D4F0f15c3940B99F8e2d12cCe",
    "userId": "201451638"
  }
}