Transaction

{
  "multicall": {
    "calls": [
      {
        "msg": {
          "stargate": {
            "type_url": "/osmosis.gamm.v1beta1.MsgSwapExactAmountIn",
            "value": {
              "sender": "osmo1n6ney9tsf55etz9nrmzyd8wa7e64qd3s06a74fqs30ka8pps6cvqtsycr6",
              "routes": [
                {
                  "pool_id": "1223",
                  "token_out_denom": "ibc/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4"
                }
              ],
              "token_in": {
                "denom": "ibc/D189335C6E4A68B513C10AB227BF1C1D38C746766278BA3EEB4FB14124F1D858",
                "amount": "0"
              },
              "token_out_min_amount": "302994"
            }
          }
        },
        "actions": [
          {
            "native_balance_fetch": {
              "denom": "ibc/D189335C6E4A68B513C10AB227BF1C1D38C746766278BA3EEB4FB14124F1D858",
              "replacer": "/stargate/value/token_in/amount"
            }
          },
          {
            "field_to_proto_binary": {
              "replacer": "/stargate/value",
              "proto_msg_type": "osmosis_swap_exact_amt_in"
            }
          }
        ]
      },
      {
        "msg": {
          "bank": {
            "send": {
              "to_address": "osmo1yul6wtyz02a7rpnscd20sjg5sgaa6a0j4579jh",
              "amount": [
                {
                  "denom": "ibc/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4",
                  "amount": "0"
                }
              ]
            }
          }
        },
        "actions": [
          {
            "native_balance_fetch": {
              "denom": "ibc/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4",
              "replacer": "/bank/send/amount/0/amount"
            }
          }
        ]
      }
    ],
    "fallback_address": "osmo1yul6wtyz02a7rpnscd20sjg5sgaa6a0j4579jh"
  }
}