{ "tx": { "msg": [ { "type": "auction/MsgPlaceBid", "value": { "auction_id": "1", "bidder": "kava1xy7hrjy9r0algz9w3gzm8u6mrpq97kwta747gj", "amount": { "denom": "usdx", "amount": "100000000" } } } ], "fee": { "amount": [], "gas": "500000" }, "signatures": [ { "pub_key": { "type": "tendermint/PubKeySecp256k1", "value": "AsBYqm9S7cjIBdG6N/xzAGuEizTt2S2CJuM1FCsgta7u" }, "signature": "O3zsB8P61SN7/5C+TNfO9hMaFYWV6hjr2aVigN0GrckR2PQGZhpyEZ03P71A9uK7DFLawzvAHDZRqQu833lAnA==" } ], "memo": "arbitrary text" }, "mode": "block" }