{"iss"=>"https://lti-ri.imsglobal.org/", "login_hint"=>"556041", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/3055/launches", "lti_message_hint"=>"72377", "client_id"=>"1", "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/3055/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: 1 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9WenotM1EyV1Q3UXBLTnR0ZDFaOWd3NGttRnVGdXNGWnNlRFlMRFpoUE0iLCJ0eXAiOiJKV1QifQ.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.DaBzp6H6mcX_VqkYDAuFj07a5nB0qpmLb93UjTfPnaHl5Wpf-Xl3vN6eTPBDvIlTzkJkIqq0RourwtnzZIynRI0j_DnmxGC2PDuyQ6gQkvNqRd2RwGjM0mGD9YhsyZGtnH2tUXqVAOQQUur1iLlwr1h2xQnETDaoqN1j0x7qF8rVUsJSTEZDbBVJINBMnGd3ABOA_GdHrNRGIwKtb-OkinahhuJdcA03BuQTTgSTQyoH5M8hZocbDubtVeMmUtJQ5ciM4AR7F0FfHDG5EESnwyTwVqtPutu7BNYtTlTZknz6-Cvct2_4BBxW-5E4Lymu7vBkVCfZszAIjqZQf9FuPg (required, opaque value used to maintain state between the request and the callback)

login_hint: 556041 (required, tools and platforms must support a value of form_post)

lti_message_hint: 72377 (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: 0af4266b4d3cfcea70fa (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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