Transaction

{
  "set_bid": {
    "collection": "cosmos173ek0kylq5rkcet43jeaex36dvfw4gxtjn2avs90hffx69tk5d6q6x5hew",
    "token_id": "10",
    "details": {
      "price": {
        "amount": "20000000",
        "denom": "uatom"
      }
    }
  }
}