{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"499775", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1836/launches", "lti_message_hint"=>"35371", "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/1836/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ik5xT0F1R0g2NTRoNmExMXR2eWRVRHo1LXdlRHJrUWF4UWJIeGxVNlg4R1UiLCJ0eXAiOiJKV1QifQ.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.Dn3A3fQRS5aAH6TJ6GAkwpazGdpuW03SbU_YQAPGe22oREqzWL0AxrnuwtQunnKa-ViLvslmIcJ3gJz0TT3HykOfJZsYiFH_Ed-n4XBmqe03-b46JZNUMFCSrp8loOhzIpPXNSBPtuoNMLNaywQZMvO3R7rsip9y5I1_SiqJRkDQbd8jg79Nb7xsTFOGhYDaLzY6w4WsWhKbpdnfb9KzIeapkpYZ1kJA3RIkToTzM7TdeW6ruLxfYMRYjhfqI_VgGkuPPsM9DiP6hne_EsyuJBnCa8kC2yFPpoxuK0GFS3Fd4bqFXKqVLMEig6f-c03AfcBupxGBfp5FPBGuIgblDw (required, opaque value used to maintain state between the request and the callback)

login_hint: 499775 (required, tools and platforms must support a value of form_post)

lti_message_hint: 35371 (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: 3da97c8bdd6bd76f6d50 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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