{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"566668", "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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.Br89ANtRGPrne7Swy6Yl997kMOa0kNyvP3FbiS1n75qP_Czj9PmcKalJv2CzGIcyCc8WTcpiL1USIth7q6Dz4R0KS_qy-6raJ-VcwK7gIoz3nimiwlxvrtReA0Rg2ctL-88iHIMbgtgmPgksY0vpu9DMzbRTSz5-WT2H-uh3dIUOzPyJPOIAwxbCiXEDwbrdrpkbcGcdGBNmQLcDpgDBtR9C2F_-yxElsec-Vi2gVjJi58ZvOPd0y3Kb534xQiyF_KW428Aa3FcmEd4zCJy3DU85W0hOF0JD_Qm_YkpjG5oCiQzIRDuCJDA2Z7O9JmukVk8aSrdtjNHxidDscwe-Ww (required, opaque value used to maintain state between the request and the callback)

login_hint: 566668 (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: 37aa638212f0c8afee17 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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