···77did:plc:25z6ogppprfvijcnqo2fsfce`
8899if you want to see the union of alice and bob's chats, and their dids are
1010-`did:plc:12345` and `did:plc:abcde`, then do `go run . did:plc:12345 did:plc:abcde`
1010+`did:plc:12345` and `did:plc:abcde`, then do `go run . did:plc:12345
1111+did:plc:abcde`
11121213pretty simple!
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