{
  "manageEntity": {
    "action": "Create",
    "entityId": "613053205",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":613053205,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Dust on My Tongue\",\"duration\":248,\"audio_upload_id\":\"156735dc31f78d35a0d29ac99c9618f4\",\"track_cid\":\"baeaaaiqsecq4arrwcu3ob6oam73l5f2kx2erfl45btbeec4jmryodmbw7uhny\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec5n2qmuat4uhnqfmgm5rs6tvhfild4ywxmjpvcnqwdxqqp6ed4rs\",\"orig_filename\":\"Dust on My Tongue.flac\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":846944872,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebztrfbpcvmeh6reaqfuno52fr3o3h3vpt42oufx4m7yshregvbey\"}}",
    "nonce": "0x49042d5870860f4d4a4f3b406d7099a486f2ac09d9f6e93d37321b0ae1b51893",
    "signature": "0x1e5e59bfde160b236d75553a454f9e27db3677b34a1bccb3d076939c59c759e6588297264dd6445dd92b91abfb1dd638caebcd2585fe72893f2ef12785bf39931b",
    "signer": "0xFbC748a29E911C0456f1Db3dbAc2351E1f9B07D6",
    "userId": "846944872"
  }
}