{
  "manageEntity": {
    "action": "Create",
    "entityId": "1879795454",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1879795454,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"Attribution-NonCommercial-NoDerivs CC BY-NC-ND\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"TESEO E ARIANNA\",\"duration\":180,\"audio_upload_id\":\"fedef74cee2e48974dcdea47b004207d\",\"track_cid\":\"baeaaaiqsedtuj6out4be3jrmdksoaun2akl5en6qrygilfeb6p767rezwvayg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedjlfzjtlwzynudhoh4bg7uwydefzupchfhszfbna4atfiyhzryqo\",\"orig_filename\":\"TESEO E ARIANNA.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":126667660,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseduadjcuck5v6i4r7c5p7j47js7h3z52xk2iv22zdw5ba7rtidrgq\"}}",
    "nonce": "0xe238bc8e22302b58ecc23184d8b1a985b9aeb2e153372f55a759a6cde3f179ac",
    "signature": "0x3eff302e389e3628e18dcaf8cb4f28db49b009e5285d2eee12afebf5b66eefd077468dc60ac316c7b3eb935fc7c5dcf0966c937ecf9effa62192dd0a7f5aefb61c",
    "signer": "0xCb18469d7A70729ad26a14E15Afae30E62c2d957",
    "userId": "126667660"
  }
}