wrk.method = "POST"
wrk.body   = '{"jsonrpc":"2.0","method":"eth_sendTransaction","params":[{"from": "0xed9d02e382b34818e88b88a309c7fe71e65f419d", "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "gas": "0x76c0", "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}],"id":1}'
wrk.headers["Content-Type"] = "application/json"