Array of 32-byte Nostr x-only public keys (hex-encoded strings)
UTF-8 encoded group description
SHA-256 hash of the encrypted group image (empty when no image)
Image encryption seed (empty when no image)
ChaCha20-Poly1305 nonce for group image encryption (empty when no image)
Image upload seed for deterministic Blossom upload identity (empty when no image)
UTF-8 encoded group name
32-byte identifier for the group used in Nostr protocol operations
Array of WebSocket URLs for Nostr relays
Extension format version number (current: 2)
Represents the decoded Marmot Group Data Extension structure.