{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"530999", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1960/launches", "lti_message_hint"=>"37034", "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/1960/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im9hSmVFTlNKcFdzZTQyR0JiOURQUl9WbTdLR3pnYV82dnpxZTFMQ1ljRnciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTYwLCJzdGF0ZV9ub25jZSI6IjAwOTNlNGExNmFlZTRhYWExZmE5IiwicGFyYW1zIjp7ImlzcyI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmciLCJsb2dpbl9oaW50IjoiNTMwOTk5IiwidGFyZ2V0X2xpbmtfdXJpIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9sdGkvdG9vbHMvMTk2MC9sYXVuY2hlcyIsImx0aV9tZXNzYWdlX2hpbnQiOiIzNzAzNCIsImNsaWVudF9pZCI6IjEiLCJsdGlfZGVwbG95bWVudF9pZCI6IjEiLCJjb250cm9sbGVyIjoibHRpL2xvZ2luX2luaXRpYXRpb25zIiwiYWN0aW9uIjoiaW5kZXgiLCJ0b29sX2lkIjoiMTk2MCJ9LCJpc3MiOiJUMSIsInN1YiI6IjEiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMTQzL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODQ2MTYxODUsImV4cCI6MTc4NDYxNjQ4NSwianRpIjoiY2RmNmM5YzVhMjJlMDk0ZDYyMWIifQ.HE40q_44F64kXzNevJ0DU1pKJQcoUyoMOwkP2QV2AP88hiLaWwZSQN7c7bE9rH0fvd2IlNnzmji85exMUa9asrGk8xuwfhlVYfa6GwxLwM3DGquv6lRP6Kdm1OLiBoA_UFjg2Ge1ALcI45VLKUDfc0IK7CvQn4nt66qwFbW53gP6tiljW-30GYLwzZsAjAtGNtYileRylh7x1bPAeMEia87xI6oCy2mh1tsfKM6--XFaFgrO0r2eAlJRnjAXxUtzKpREI41ULfyQnaVRZHMYEbQyJyTsyil4T2zK_9a1UTo7GxEtD1hvylzYX_LIMGCOpo9YCGQRqJlt8Got9LvVfQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 530999 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37034 (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: 0093e4a16aee4aaa1fa9 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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