{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"441255", "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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.gjiQu6RiBuCwRfoW7_KzGFhScF0_3YYY-h1Y0-U3RnNjkQx4JsCrx1-14jZ5RjZJGfPRtTnmq1O62izlw089u7u6adzX8llu0-_wTKcI1Zjzrw4gV1Qb0RaJ1kMLgXzVgixPfBX-3KbXOt3pV0IV8DLmOJKdUiR5AMoRiOJWHbsaSA1Km_kk0g-Z3XgAQbpC0JlFBxOp8teIU_J9WxMFZFbUPuZ0Hi77nNqP3mISuiNcF0yEuCAqZ07Sg9cjfNFfz0x94d5jG1Rd-g5b_LDOQfGwd0d4xx0gtMyJ89zsfcBTQARxi_VtATm6TMG7bfW5_k4tcrkCjIQ0o6RRcDK1tw (required, opaque value used to maintain state between the request and the callback)

login_hint: 441255 (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: 81e658a1dee714bd3012 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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