{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"528036", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2292/launches", "lti_message_hint"=>"59394", "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/2292/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNyaDU5SWN6YTBicWd3UmNZSjk1ckJCN3laMUlrNWdMSXRTNUl5TmZqclkiLCJ0eXAiOiJKV1QifQ.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.PrfnrJ80WR6dHqMBTnC0tCGedjiXOFNQ1-Kb346JS7l7ZLfOdtlPq2oXdGo57X7zdfNC7YyplAELpbgdMzoKyNdwEiCH2Jn8ROYpaou-EWW-Y1IPlrsNiCgf2PWUqndC-IrhmvuDdnbZeK5H1Tp5oGQ2HHkBtEqnnWnt08vUI1qEUdAj-rpjVDx1PN7PY1MrXg2JJ0wGHTjKKZ07i3G16hdEjoRyzvJUmmP4v_-TnrAfFT9aMOt3SdnJkQBmPP0W5m5uGqUVbkDXrHgFQU9lPdK57TYBvB1Mldfe6xt-RfyPFOaQ705N8WdUGx2Zy4ZpHVaZOvSHaGJGTbKdkYwuYQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 528036 (required, tools and platforms must support a value of form_post)

lti_message_hint: 59394 (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: 019e8d5de3a270d6ad1c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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