{ "type": "cosmos-sdk/StdTx", "value": { "msg": [ { "type": "auction/MsgPlaceBid", "value": { "auction_id": "1", "bidder": "kava1xy7hrjy9r0algz9w3gzm8u6mrpq97kwta747gj", "amount": { "denom": "usdx", "amount": "100000000" } } } ], "fee": { "amount": [], "gas": "500000" }, "signatures": null, "memo": "arbitrary text" } }