Update an identity

curl --request POST \
  --url https://api.unkey.dev/v1/identities.updateIdentity \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "identityId": "id_1234",
  "externalId": "user_1234",
  "environment": "default",
  "meta": {},
  "ratelimits": [
    {
      "name": "tokens",
      "limit": 10,
      "duration": 1000
    }
  ]
}'

{
  "id": "id_1234",
  "externalId": "user_1234",
  "meta": {
    "stripeSubscriptionId": "sub_1234"
  },
  "ratelimits": [
    {
      "name": "tokens",
      "limit": 10,
      "duration": 1000
    }
  ]
}