mev-geth/cmd/clef/testdata/sign_1559_tx.json

{
  "jsonrpc": "2.0",
  "method": "account_signTransaction",
  "params": [
    {
      "from": "0x8A8eAFb1cf62BfBeb1741769DAE1a9dd47996192",
      "to": "0x8A8eAFb1cf62BfBeb1741769DAE1a9dd47996192",
      "gas": "0x333",
      "maxPriorityFeePerGas": "0x123",
      "maxFeePerGas": "0x123",
      "nonce": "0x0",
      "value": "0x10",
      "data": "0x4401a6e40000000000000000000000000000000000000000000000000000000000000012"
    }
  ],
  "id": 67
}