Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1dvx9q8ck866qmpqpqdy3guqt96579x9ukn6qxx6mtf4x5gxfzfqschuxlw",
    "details": {
      "price": {
        "amount": "4000000",
        "denom": "uatom"
      }
    }
  }
}