// Request
curl https://fantom.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"method":"debug_traceTransaction","params":["0x5856b54ab5763dd983ec53a3e5bd76999aa737abd2239c30468b36e99a4b4340", {"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'
// Result
{
"jsonrpc": "2.0",
"id": 1,
"result": {as described above}