Transaction

{
  "set_collection_bid": {
    "collection": "cosmos19rjfy5254s3a4mu5tqmpy4pszyr7flk3qr8m9g0ej7wp37hanj9s6vjrzx",
    "details": {
      "price": {
        "amount": "400000",
        "denom": "uatom"
      }
    }
  }
}