Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1c6qfmz9mgnwksjceg4st686lxxd72ht92mp5jtwqkacckkczugcq2phqwk",
    "details": {
      "price": {
        "amount": "21000",
        "denom": "uatom"
      }
    }
  }
}