{
  "manageEntity": {
    "action": "Create",
    "entityId": "771183854",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":771183854,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"7 - The Fields\",\"duration\":299,\"audio_upload_id\":\"ef41672ae990af1cf1c324d44262c9ef\",\"track_cid\":\"baeaaaiqsecnbzdpdkzawowrarwcreugyluxgk7codxewcp6wv3qintslxe3vq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaedgzwyyezrssts2le4o5f5klkhynlgut3qklywyxdl5cgbsgly6\",\"orig_filename\":\"7 - The Fields.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":123,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":3855266,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebcffj3l7skdq4d7fjcfmhh5ko6sn6j6atfoci7h7tvkq7e7dvr5a\"}}",
    "nonce": "0x68f0dd11223577f84400d535c70994b2204652d5d18755db3c41eb9d2580e047",
    "signature": "0x469589e11b1bb0f77e5d4da354699164536ed9b5508e257c021237051c17ab5c541b701611b65ffa27a3d4387973479aacc2bedf171ae7bfe49b63ffd819219e1c",
    "signer": "0x89695F6d330638f9896182beE7793e33f422F537",
    "userId": "3855266"
  }
}