NIP-26: Delegated Event Signing

https://github.com/nostr-protocol/nips/blob/master/26.md

イベントの署名の委任

`delegation` タグが委任を示して、委任先のサービスが任意の鍵ペアで署名する

例:

```

{

"id": "e93c6095c3db1c31d15ac771f8fc5fb672f6e52cd25505099f62cd055523224f",

"pubkey": "477318cfb5427b9cfc66a9fa376150c1ddbc62115ae27cef72417eb959691396",

"created_at": 1677426298,

"kind": 1,

"tags": [

[

"delegation",

"8e0d3d3eb2881ec137a11debe736a9086715a8c8beeeda615780064d68bc25dd",

"kind=1&created_at>1674834236&created_at<1677426236",

"6f44d7fe4f1c09f3954640fb58bd12bae8bb8ff4120853c4693106c82e920e2b898f1f9ba9bd65449a987c39c0423426ab7b53910c0c6abfb41b30bc16e5f524"

]

],

"content": "Hello, world!",

"sig": "633db60e2e7082c13a47a6b19d663d45b2a2ebdeaf0b4c35ef83be2738030c54fc7fd56d139652937cdca875ee61b51904a1d0d0588a6acd6168d7be2909d693"

}

```

#Nostr

nostr:nevent1qqsfry3yysw3wv4wj8y88nfn8v7w3c7qz5wkh0ev4u8pvtd2a72nqaqpypmhxue69uhhyetvv9uj66ns9ehx7um5wgh8w6tjv4jxuet59e48qq3q37u9fh8kaag47zwzd0pt3hfqk3z9petytnele7yu3u2t9jyk4fdsxpqqqqqqzdcg8pv