for a clause
name of tracer. Empty name stands for default struct logger tracer.
""
the unified path of target to be traced.
Currently, only clause is supported. Format:
blockID/(txIndex|txId)/clauseIndex
"0x000dabb4d6f0a80ad7ad7cd0e07a1f20b546db0730d869d5ccb0dd2a16e7595b/0/0"
OK