{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"441536", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2292/launches", "lti_message_hint"=>"59394", "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/2292/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNyaDU5SWN6YTBicWd3UmNZSjk1ckJCN3laMUlrNWdMSXRTNUl5TmZqclkiLCJ0eXAiOiJKV1QifQ.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.tdmSVda17wm6_Wkx4o6wdEY-Is06wbMv488_79An8pyPz7Klx6fcYpFwEAgo2EEXPzFiYag2lnNmrHLfSlGAWGIhAAGdrpSNBGUr0-nP0cMPS6WNIMsU6OC9k-PonXUDs3FJ784cgW8F-Ylkie9LiLyUmiqButftHbq4T9Gwuxg0nd0HGGj7QTzySQP0aS6Z9F56aHbC2xudIu05lWJj7rzNaDqt9mHhnhH2G2S_6jcsu613ZbLnWHshTItIIhdVaw6LF-WWQmd49TzSWAsn_6lXM1n7W4AEesGQHp7kJjEF5DQPpUb_Syr6g9M2OA8jL-HUulWpE1iSTO9QqFsiwQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 441536 (required, tools and platforms must support a value of form_post)

lti_message_hint: 59394 (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: c5b8831422717b543552 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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