{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"637489", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1836/launches", "lti_message_hint"=>"35371", "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/1836/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ik5xT0F1R0g2NTRoNmExMXR2eWRVRHo1LXdlRHJrUWF4UWJIeGxVNlg4R1UiLCJ0eXAiOiJKV1QifQ.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.acQFcdJMFpQVcwmd1nORoEOz6ifxQmMXLKe6hgVZrY6xcji3cC9d_16pfWi__wu4lEwqLICGohNSFwLkSkNaEbX2FX-QEYRiKzAxwwFzl7Z7QDz8sQ4qCs438wIvyBtEgoq_9G0WVyfbsU1C9qyx3SJ52-LtN0FUH5lNV_VJe8Dv2B8kng82RTl-OVczdB7Y_HPO5B8-vhxjTSyWuPMNqYUaD6iOh4oSZ3hEwDIXN9_mSudQmSVQBzaNjnyGv6V-954QTr__devpIX_5Ya44mgvbn31pJ899jBV9Rkj0gunm5uuHhYVUv-xYChZ25yhX-jFrtRVFNsZ46mWz20s7YA (required, opaque value used to maintain state between the request and the callback)

login_hint: 637489 (required, tools and platforms must support a value of form_post)

lti_message_hint: 35371 (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: 5f0f576b1be3623a8fed (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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