Transaction

{
  "set_ask": {
    "collection": "cosmos14ud9sh47hy26c5slfeerdx5r9szcthd0cw9v2w5f56jfgnfl4ddqdsr3y2",
    "token_id": "27",
    "details": {
      "price": {
        "amount": "20000000",
        "denom": "uatom"
      }
    }
  }
}