Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1w6yeskl8sturjg70nvgcs25cf928qjz3mr54zdfk8aftn87kgwas33yx0n",
    "details": {
      "price": {
        "amount": "20000",
        "denom": "uatom"
      }
    }
  }
}