{
  "manageEntity": {
    "action": "Create",
    "entityId": "1304865007",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1304865007,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Taxman\",\"duration\":162,\"audio_upload_id\":\"458c90ea3c6b4da34e6aa8be6d14b480\",\"track_cid\":\"baeaaaiqsebclpsmtffngayz3y6bx44o7ot4orlp2ek5rrb5hximrbq74hda6m\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecq4hqzxiv7qg5wtihjbpaa23hz74x73wj6frnagtxmyrmml74cec\",\"orig_filename\":\"01 The Beatles - Taxman.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":141,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":770972221,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebrmhtyweq27x34cd7ys2nlwnvpbikrgapygxjel2ivo64d3eipiw\"}}",
    "nonce": "0xbcf840643277f42d9ddadf4762207bade1429fb1d6336fa704faab5a4a05846e",
    "signature": "0x62ae58947a963ec0e946c06e01a9fe389de0a6dd918dabc578e3c8a73073757150204ba4e3e755b4f0dddc0f10ceeac6d68441361510024c5b26d381aa04313b1c",
    "signer": "0x286E31053F87209F966e1009BB419fb4302C7d11",
    "userId": "770972221"
  }
}