Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1a4uanyytpvx0cq043yljlf0phhy2h95t6wsraprhnryyaqzdjw2sl3z5rn",
    "details": {
      "price": {
        "amount": "1500000",
        "denom": "uatom"
      }
    }
  }
}