challengeyou

{
  "name": "v1_username",
  "base": "",
  "fields": [
    {
      "name": "username",
      "type": "name"
    },
    {
      "name": "user_pubkey",
      "type": "public_key"
    },
    {
      "name": "is_verified",
      "type": "bool"
    },
    {
      "name": "ticket_num",
      "type": "uint8"
    },
    {
      "name": "last_claim",
      "type": "time_point"
    }
  ]
}