which satisfy criteria in query.
OK
the address of contract which produces the event (bytes20)
"0x7567d83b7b8d80addcb281a71d54fc7b3364ffed"
"0x4de71f2d588aa8a1ea00fe8312d92966da424d9939a511fc0be81e65fad52af8"
indicates whether the block containing this data become branch block
event or transfer log meta info