Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1dmmatydkm5dgq7w8u4hup7hzjsj7atzap5yhxulk09ule3anrfaquarnxt",
    "details": {
      "price": {
        "amount": "20000",
        "denom": "uatom"
      }
    }
  }
}