{
  "manageEntity": {
    "action": "Create",
    "entityId": "136302788",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"title\":\"VLAMMEN_Ella_Dice_MSTR_extendedmix_eclipse.wav\",\"is_stream_gated\":false,\"is_unlisted\":false,\"field_visibility\":{\"genre\":true,\"mood\":true,\"tags\":true,\"share\":true,\"play_count\":true},\"is_downloadable\":true,\"stem_of\":{\"category\":\"OTHER\",\"parent_track_id\":268802315},\"owner_id\":849530,\"track_cid\":\"baeaaaiqsebowzo72fddg5vx3qhcz7xubynsjgzlgmwiz3atam6buxdtohxojw\",\"orig_file_cid\":\"baeaaaiqsechn23yfmspbnhjxhkukm72qxithq7uugphhvszlnvan5ktzdyhki\",\"orig_filename\":\"VLAMMEN_Ella_Dice_MSTR_extendedmix_eclipse.wav\",\"audio_upload_id\":\"fcd7b7add5c419a1c74b12587b840835\",\"duration\":199,\"bpm\":128,\"musical_key\":\"G minor\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x35d37f6c1d07e646befe7f503f11410afe7967f1bdb59e7246696b459ec0ade1",
    "signature": "0xe60fb94467587cdc9d78e27b7ea02f6ca18cd7984b81081aefa228d93380d4d34c5dbbfe5c76bebcad4de86c2fadfd0d2a58da9d0123ba6b51e898b20c2f905a1b",
    "signer": "0xA4a5081C88501f27b776C572c4b37e815E6c3A7D",
    "userId": "849530"
  }
}