{
  "signer_infos": [
    {
      "sequence": 321,
      "public_key": {
        "type_url": "/cosmos.evm.crypto.v1.ethsecp256k1.PubKey",
        "key": "CiECPdbI3j6ggOgJoIMfl5C2yrowgBQgvbvSPjqcva7ZL5w="
      },
      "mode": "1"
    }
  ],
  "fee": {
    "gas_limit": 200000000,
    "amount": []
  }
}