{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"479012", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1916/launches", "lti_message_hint"=>"36831", "client_id"=>"stem_scale_7984546158", "lti_deployment_id"=>"1"}

response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1916/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: stem_scale_7984546158 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjRCeENkRzBMTVRud2QwWGRpSTFQWHdCMnlGZFdRNVJIZGh0SmlkYTMydHMiLCJ0eXAiOiJKV1QifQ.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.Oj3d7qjWQcdtM3LrdC9L9AwCwfnz1xt4sHmyH8MJdt0sOL9eXCnU31hpzsQfpf4POJzaDAE1ayfcUrapJTJTboCx4JbftofkMlGEzLI1Od3jnMyK-p_1N-f-3cgrzK-QZAPo49Ng4PvEBqFegnUt3dwD6LXJBKTlqwH7sFGa3fwJkcztV0J6KNrmPcTNXFGdhLHubTuLD8U7kCHJo9Rz6OL9AuyTm6u2A17SPOLdmtphXaC2OGS7tRSc3RGR8Ql8ZjfuhWc5nxomBYC0tVdrY2aKcPKIWn2aEvhf5-Ffya5Olwg3WHicrzlKXQ9rRgb_p8aSZKM0hHM-gYXmkM-b0A (required, opaque value used to maintain state between the request and the callback)

login_hint: 479012 (required, tools and platforms must support a value of form_post)

lti_message_hint: 36831 (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: e705f350cf85de59f553 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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