{
  "manageEntity": {
    "action": "Create",
    "entityId": "1970898926",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1970898926,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Guns (Add Instrumental)\",\"duration\":213,\"audio_upload_id\":\"4c74e685788c3d865de002f97d074fbd\",\"track_cid\":\"baeaaaiqsedva5uvhnjugn4dvd3uo2k6alyyam3yybljbhtbz57jsoopw4ud3s\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebjbsvowkc6ubuah5rycipwxiybs2ja6aqsq2tugnm7yaqclsftki\",\"orig_filename\":\"Guns (Add Instrumental).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":107,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":136853,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseczfg7fcxdqr5rv7v6fj55szacqicbb55wqhozmrnmezgi4xjrbwq\"}}",
    "nonce": "0x013c4274cb18737cd98e24f8795dfe4de41015294a2ad19ad9ee14c27b9b48c0",
    "signature": "0xa605dcdab8ce6f42ac410934318af358c399c86a8cf79ec1587a8be6bc1146be2c530cc58a1ff6a88e9dd055aed83fd29cdf1731123c9195d5d32b15910e51071b",
    "signer": "0x6406FE89a9DDe757078c7b874E3014Be17f76baf",
    "userId": "136853"
  }
}