Super easy. We can use something like:
```
{
"kind": 30382, // Relationship Status kind
"tags": [
["d", "91cf9..4e5ca"] // contact's pubkey
],
"content": "["nickname", "Big Joe"],
["status", ""],
["summary", ""],
["email", "bla@ble.com"]
])>",
// ...other fields
}
```
