xx on Nostr: whats that crust on top?

{ "id": "4a8a351b99e301b48a0cfd9e7e4bf9ae15368a1bb9cc5e6599d085c312c042d4", "pubkey": "48b4fe6a440676643433b4fe4124f84b93634deb8730f40f83e7998ecdbdf5f4", "created_at": 1738053464, "kind": 1, "tags": [ [ "e", "559c9ff3c354e6247f2e56274cee505bedfb4ae0408ea57bcc6a0a176bf14281", "", "root" ], [ "p", "fad6540c8f2fd2a16a25d0d82dd95d3bad7890d435d1690848a0a77d2883a447" ] ], "content": "whats that crust on top?", "sig": "d7fbf8a1362ea827a9fc53da782960dcd08dad7a87b3d11dde58bb4e2cf5095645accd13494a5477b49904fcfd71b8fd34de723e5990e8713163b09ebb066555" }