Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1e4gq72sjuzmkd7hla2s9qa8znlmappdmsh4q7cjcrk7qq2cxjjdseml4rw",
    "details": {
      "price": {
        "amount": "2000000",
        "denom": "uatom"
      }
    }
  }
}