{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"394266", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2000/launches", "lti_message_hint"=>"37263", "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/2000/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InY5dmtVN2FJRUpldGVmcW9FSlhTbERqMnl4T2NFeHlSUkJwanhycTJ5VWsiLCJ0eXAiOiJKV1QifQ.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.YhWGGY7AsGNWdsHsxlcWQTJZDbJzqCyk7n891i89pK1vESp30W7Qtv3csEmTYEbAmxPXpF6aqoN1bLT4QCddT1IQZcuoqO6xSR1NIKCgHa3fGoFtSo9l0w0B8XvR2tthe0K20L1d-ps5xjXX4uOgR3ZhfWnubWOR10ic5T7idqBAxYVInLxx-kOLSYQ1P3wzt5BePWGFtwTJvA4HTDTjai1dFlfHAkea0AWwUyxxwlhfWgzbgBTUxFhAOToK9s2RCvMnBXcRrTyfovHkzRXWtBOceUufv31up3GGvzUh3oDEkEjItUjL4rPAJr4thsBmRoUmV2sjudq7SRe0o73GDQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 394266 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37263 (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: f7f8b58eef41ac088f70 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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