{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1166912", "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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.qsR5ScvtnT0eAaU2-EqKKXsHfJAWljwz93fbjTrXd7wrfXeI5TRUk77V1AKpOQ2H4dYE_vLczeH11rORQGFxmaN1W2T_AlFxmiEPmbr3SJb_hj7F4JIVkLeNjR0a5CxWMATLw5iIb9NjImRbYELnKgRC2RjDpQsYyXaiQ4yH9VyFJyaRjbdwfNxyMhTeoKzW6nElF3stUEteSFwOfv1xK0xn1IUsSTu05HotBBXi5YZk705vHX-I1XbiEM9nMgSxuTP_JZ7wV5pCZ7ZkRDLzubIEKZDOZ46ciwmQCWWjcUn5JE9JRswzdwEqnyFhbZwZeA6lHZYeMO_qYTRk2t4dNg (required, opaque value used to maintain state between the request and the callback)

login_hint: 1166912 (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: faeefa2ac420fa827b0a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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