{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"836679", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2514/launches", "lti_message_hint"=>"67477", "client_id"=>"12345", "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/2514/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjdZc3ZaVmY1akpHSTVyN0lyekt4NUtNMGl5X09QMV9RWFNCZklWV3NvejgiLCJ0eXAiOiJKV1QifQ.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.pguAfWWWlhfRM-k2qh5pXFjzCdW1lFiNhclzutjl6GECFXAMpsXkUZHRhup_0aC4gCFIxZLuyfv79XULytjwu53SKH-VgeDAuY-9nEc7I_QgG0rIHpkSh4geLVq-790j46JFbRcMjmqgqfUMCbRkselUwnXHFV6c7b75Nzdd4YV5t57bXwdw1EVOuaJ_Sb61VDgXv-Eo1E2HgjOUSe_kL-3m1qHCU_CC3WfRDU7fCsy2uf05WEHQS-EQZpKJrBUl2VhjTCiAfD1zTwWLzlB1er33efpbWf_EeiA-rO7Akk4I0rKf17bdpgaXP3r1KJgVHvDIlRnccnDdFEcoBCYfWg (required, opaque value used to maintain state between the request and the callback)

login_hint: 836679 (required, tools and platforms must support a value of form_post)

lti_message_hint: 67477 (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: 03f3079f19bbc6d4f3cf (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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