{"iss"=>"https://lti-ri.imsglobal.org/", "login_hint"=>"1113404", "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.eyJ0b29sX2lkIjozMDU1LCJzdGF0ZV9ub25jZSI6IjM3OGMxNDA5NTRkMjE3NTYxOWI4IiwicGFyYW1zIjp7ImlzcyI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvIiwibG9naW5faGludCI6IjExMTM0MDQiLCJ0YXJnZXRfbGlua191cmkiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL2x0aS90b29scy8zMDU1L2xhdW5jaGVzIiwibHRpX21lc3NhZ2VfaGludCI6IjcyMzc3IiwiY2xpZW50X2lkIjoiMSIsImx0aV9kZXBsb3ltZW50X2lkIjoiMSIsImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMDU1In0sImlzcyI6IkFybm9sVG9vbCIsInN1YiI6IjEiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMzg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODQ2MTcwMjgsImV4cCI6MTc4NDYxNzMyOCwianRpIjoiZDU4OTZiMTJkYTY5MTdiNTU4OTMifQ.qgaq5XC1nagqbAqW2nJ8NKPRRljV6ExJJldS0RodloFySg9Q7Gyoq4WNsUtOslxWHLFZZU6gnAAms7tp_d0PbrnsN4zjOQK7k9tfo6YFdATN1Xez-JQG1eo97UTTOlz-rFDMAfnVqP061KQy_Zg904MWZIADAbRAEzYY5ZNOftdtfzM2a5Cz5__0CJp4H97pOc86LHPBegY-T0OXcx2eZrPdVOlOEbThma4MLtvkAAOgiB1e5VB4D4s-_a0PBwLblnC3EmZFQd76yWbkhRmyx6iDnsUi_1srBhmkvl9v9BdOVp_9ShB9UXSgtAEyw5AVupEd-v6aJq4TgV7YPCtCqQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 1113404 (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: 378c140954d2175619b8 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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