Wha's I'm doing wrong ?

❯ curl --data "client_id=<MY_AUTH0_CLIENT_ID>& &grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer &refresh_token= &scope=open_id &api_type=firebase" https://<MY_APP_ID>.auth0.com/delegation
{"error":"unauthorized_client","error_description":"Grant type 'auth0.com/oauth/legacy/grant-type/delegation/refr…' not allowed for the client.","statusCode":403,"error_uri":"auth0.com/docs/clients/client-grant-types"}

How I'm configuring ..

1. My client on Auth0 is SINGLE PAGE APPLICATION
2. On Addons.. I enable Firebase with Private key Id, Private key starting with -----BEGIN PRIVATE KEY----- and client email that I get using these instruction
3. In firebase I enable Github auth
4. Try execute the curl