{
  "manageEntity": {
    "action": "Create",
    "entityId": "1158771870",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1158771870,\"description\":\"Καλώς ήρθατε στην 6η μας σχολική εκπομπή \\\"Τα φρέσκα νέα\\\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Kids\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"6η εκπομπή!\",\"duration\":81,\"audio_upload_id\":\"037798e830495390d75fd42594e5c99a\",\"track_cid\":\"baeaaaiqsebiqxqpaec3py2hgxye4oliyrn5r7ie3dql2sz4xzz35a5kkpq5sk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseam65jdrfntwb4m532smieedepsuvsexxqv7qhj5mfmznmlq5mdty\",\"orig_filename\":\"6η εκπομπή!.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":357800,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebna5iaxs5nzlptzzhtmilamo2frby6b7hwmvu5gvowxhim744jge\"}}",
    "nonce": "0xebf1258a76bb4b11a8f0ab059af8503f296eeb00abc4c0983280be4d904510e3",
    "signature": "0x4535cbba526005af9407288069b8be0dfc114fa614802403269f623ba598f13115cbf1da888b606f712ca42117052cee65df0636d0f3679047305e4bfc251e061c",
    "signer": "0xf9D35b0cEAC2396a139E38C560432874A020d9A5",
    "userId": "357800"
  }
}