{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1336083", "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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.bdaRBuVJVBUwaUF1GDRs6bC74YHk2DZqtu-t2Bzk7KYEHdclYj1kvVdFb_3FWDTu5b7Lhivsf2zCBPLTEhXMjxUofBjLJJ2hYawckRpuDhbNjA61kavtXhUAA-L7A9L1gx4PQfK5W7n4wHxcBud4ctksKtf5dF1BMMRj-ij55UY2lNFQZ9RRR4Lsbyi6sHRRosoz9vE13T05z3EjBngFlcrg89Ql3G8SiYiEaIIIiLPhSxJGlp0LCyyj8x7TseM_FPI3IgOb4orW1R_J_84Cn8nKg_7JPz9LUDd3uobLFivAhYYCQfc2oWe_hwWp2pmVBNOC4SUt7vjc220koVOuuQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 1336083 (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: 1e8941062ada5afc8d54 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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