{
  "manageEntity": {
    "action": "Create",
    "entityId": "907973888",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":907973888,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"World\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Monkey Monk\",\"duration\":109,\"audio_upload_id\":\"97b89b9eb7e420bf164f61e4d7655da3\",\"track_cid\":\"baeaaaiqsecgp7ast4l4ulrk3dg4z2me2lsuyiz4q6vxt5ymo3jgza5wg5yji6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseasf22u33wkcvsujupsigmqti7kobhhqkbmffdc2u2tcuhb623eqg\",\"orig_filename\":\"Monkey Monk.m4a\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":133,\"is_custom_bpm\":false,\"musical_key\":\"G major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":42614,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecgc7voakw325re26sblbv5gdpfiqeiibg34uut4wq572nekigfew\"}}",
    "nonce": "0xd35dae2cf4f31a3b9c74ae3cdfae953ccc72f569d5b564edbdc8b53c26aedb39",
    "signature": "0x6d4e1a252ca164c1cfdf8fbcecb3f9b286328d9f9c647b4730a77189999154c30922efe100ac7973ac97d954e48e01de8593fdfc202f0182a364af3dd1965de51b",
    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}