{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"326423", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1813/launches", "lti_message_hint"=>"34154", "client_id"=>"12345", "lti_deployment_id"=>"2"}

response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1813/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImV0WXhRc1RPQVFKMW5uQVhwZ2pHSkdaVGVwQkM2WUlscXBNcnFsV2lkTzQiLCJ0eXAiOiJKV1QifQ.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.B7TGHo--zx0gf5TD5twvr5OqFeevAKLGrfiaCF9HY4-3I6TsnWZ3DnyCvPEe6lOfmusUSffZpACtnwwcfvyc2KRzv6gVcZuh2MOt1s6jSOd0OdetsRZbl4pWzPdDfsXxHE2Nn4NBnlCl2LMsgfjJIUcd_2A9QzTWlDH3IJ5NAKnP4jSSxT-TVXGvJ8nC906WYFH0KTzyF1ARlBuDm911_YDSK1iRz8mcnZ4Rm_F8opfH4FpQeoJiMV6XnexpydVB1NJ1tLx5Xs-0A9G4PmSIna7DXtYNbstn9NdQntIPp6fpQks9x6hKL2SXbzwAefywdLrpntRDiHXCxFPSDNDGsg (required, opaque value used to maintain state between the request and the callback)

login_hint: 326423 (required, tools and platforms must support a value of form_post)

lti_message_hint: 34154 (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: d574bc5c555a56011804 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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