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+NIP-73
+======
+
+Spreadsheets
+------------
+
+`draft` `optional`
+
+This NIP provides a simple way to save spreedsheets on Nostr. 
+
+Event kind `35337` describes a workbook with `data` tags that contain the value of each cell as well as optional styling. 
+
+```js
+{
+  "kind": 35337,
+  "tags": [
+    ["d", "<unique identifier>"],
+    ["data", "<sheet name>", "<column letter>", "<row number>", "<value>"]
+    ["data", "<sheet name>", "<column letter>", "<row number>", "<value>", "<style>"]
+    ["style", "<TBD>"] // Need to specify all options here. 
+  ],
+  "content": nip44Encrypt([
+    ["title", "Name of this topic"] // private title
+    ["data", "<sheet name>", "<column letter>", "<row number>", "<value>"] // private data
+    // ... other tags
+  ]),
+  // ...
+}
+``` 
+
+## Example
+
+```json
+{
+  "id": "32360b52b11616ea331aacac516494e36bd4079d8908edc8f26ad1e4acab5a53",
+  "kind": 35337,
+  "tags": [
+    [ "d", "SheetStr Demo" ],
+    [ "data", "Sheet1", "J", "25", "3" ],
+    [ "data", "Sheet1", "J", "26", "5" ],
+    [ "data", "Sheet1", "J", "27", "=SUM(J25:J26)" ]
+  ],
+  "created_at": 1713819120,
+  "content": "",
+  "pubkey": "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c",
+  "sig": "880eb3d67fc66ca2d4e7819ae9b9ca577df35950fb5d11d24f95f350cfeab0b4532646c52113d5bb629cf9a2e4d8ef646ff434b59f1c894c8f719f65d59ed8f0",
+}
+```  
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