{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1025048", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1964/launches", "lti_message_hint"=>"37039", "client_id"=>"Lrth Test", "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/1964/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: Lrth Test (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IktKTFFrSmU2a2NlOXJianBjSHhiVjFXc21Fdi16dHdESFp0cE83VHBvT0EiLCJ0eXAiOiJKV1QifQ.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.hblLZsN7qXAHT18lpZ5RZ5Wz7iYe-ZUqteKli12aG1AYRbGDBYWDR447ncWduDtoBWLjhXwX0oX5aE52KsTnRje9mSRBBSPs6sh7jfLww89ucoG673sQZKYCefpJMJUKINvEctGg8QtFvSOBgdqRHNgJfpdIBkuKnZ8B_DbARw1Y9haTxaJRjYzrzu8iGA-4rc8eClI6Nyz-rJ3SFGZY4wDNpvTRis7KQ3ujJpU3C5NbWPKRcWdPMtEB0d3fFi5LzDUtA4yJliRnLEM8vBLrivhpjP4jEgBYoVcUuWTx8Gvu8Wx2u3t8tkDF4GH0z4O1Erji9xtpiVUZKbLGMnqzhw (required, opaque value used to maintain state between the request and the callback)

login_hint: 1025048 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37039 (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: 79cf61d638e766265fce (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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