{
  "manageEntity": {
    "action": "Update",
    "entityId": "149652",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":149652,\"owner_id\":62606,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"grimeyy\",\"title\":\"Careless\",\"duration\":133,\"track_cid\":\"QmQuwWKgDhqAhxwH1ago5GzdqMrnz2Cb5NpLpkUqoQesck\",\"preview_cid\":\"\",\"orig_file_cid\":\"QmQuwWKgDhqAhxwH1ago5GzdqMrnz2Cb5NpLpkUqoQesck\",\"orig_filename\":\"Careless - [grimey.g].mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":139.9,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x21be51a4bb147e71f7a60274b9f5f85f6c9c4170670d4c1d82a56cf46a84aba6",
    "signature": "0xed107860984ccb92e7043439a12b1a954541d035e91cd49064ff618d35bc1dfb0ed779c500fc2c59e559ad7c9cc5a6c295ed5f3f7cdd95a54c25f2db9cd63b161c",
    "signer": "0x4577Dd30e25C6cbF99cB58a5c0fa7c171da1A835",
    "userId": "62606"
  }
}