{
  "manageEntity": {
    "action": "Create",
    "entityId": "546146991",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":546146991,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x596323d216aecfc2f7661cac9a6158daa7d7950ecb43dffd112d0b2c092478ef",
    "signature": "0xdacd932e70e2e0859af6a1d05986bb3184c26590cf88e72acbcbe79c52cae31d5282bcb1f435b42629c49aa429d2082fd6a5bab1d6e7cc9b15736bef7a2aa84e1b",
    "signer": "0x6bDBb48Fb9661e78e86E741F354fc9bd98Ed480d",
    "userId": "572993629"
  }
}