MessageSent (string message, uint32 dstEid)
[topic 0]:0x71ad68601a82041bbc9d2b191989148b957e85070fcb61edc57cc095fe605035
0x00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000009ce100000000000000000000000000000000000000000000000000000000000000047465737400000000000000000000000000000000000000000000000000000000