{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"347878", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2061/launches", "lti_message_hint"=>"39436", "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/2061/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhWRWQzdmhSU09haURON09PNmoyMWI3bUFKUmlkSVBsNGZNbEt4eGQ5QzQiLCJ0eXAiOiJKV1QifQ.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.w-gqXZWL8mfK_j70qy2gnQ4cLvKPcnFzGJDWXi4IQyV145spqhWq23DKQDzLpSHoVHZ_IgCIy_HU_WiKfRufeJRa0eRyFoZG5wmp5LQZTZl5WATR7uyKAn0pR7T7FznW9o5SqmRrCHgCLTPnfIXDEdzG97EDW96LsoTedI7laLnIt5s-vi7LvJoSqozJ61uHVObpZvE977O3EPbEyV8nbgjFGGPjOroEl46T383NsB3b54Z4fIDbHYuiuI-xduHc4pEgQZnYBJ-nHyojsr_yBXKG7W7TbE164swBD1NpsrPzSY_-gh5zWzzQexOlL9fJscOUCUMw5u4sIMxhsR6WjA (required, opaque value used to maintain state between the request and the callback)

login_hint: 347878 (required, tools and platforms must support a value of form_post)

lti_message_hint: 39436 (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: eb99d2cbff42b8dacb89 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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