usage:
go run cmd/main.go --validators 0x123,0x234 --pk 3c419398dbdf7b0a2a2a4900dae7245f67112a8dc2f9898f2b84e799b5407915
decode message:
go run cmd/main.go --ecdhPublicKey LS0tLS1CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUZrd0V3WUhLb1pJemowQ0FRWUlLb1pJemowREFRY0RRZ0FFanlMZVROdnhsZW1DSXVQK2I0ZFdUbUg5b09ibApyeXdqMEFsaExvY2RGc0k5ZEZXRHZjeGtRd096RHdKM3lFa1ZKZENtYlo5cXpYM3ZmWE9zRWl1c2xRPT0KLS0tLS1FTkQgUFVCTElDIEtFWS0tLS0tCg== --ecdhPrivateKey 050b104e9aea7994bef2993dd5f99dafdf90dd657044fdd8f2a10be9cc25d6f8 --encryptedMessage 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