datatypes on Nostr: MCP?

{ "id": "8826e830552ff43cccb7da2cf889da265b23eff4e2b44de45fc257116fb5b694", "pubkey": "ae0a6d28029212be0f660d7e271a8a0dfd3b0b2990ed21d35a74272da2d25243", "created_at": 1747558511, "kind": 1, "tags": [ [ "e", "f8163dc9831e52fefb05fdb4892d85a27a27cb99a1d061fd694ca31ca0380883", "wss://nostr-dev.wellorder.net", "root" ], [ "p", "83e818dfbeccea56b0f551576b3fd39a7a50e1d8159343500368fa085ccd964b", "", "mention" ] ], "content": "MCP?", "sig": "1afe602d7cedffa3ee51f6734c9c7b5d213ee13f0bbd2c20bc66fac0bc788d452fcf459208b4996a587f680138a10ad36b570d8fd33f60b8869d7b59a89edcd9" }