{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1029215", "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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.V69gjGxIrOSG0i6OAt5_-pn6Cr-t0MtuMn9FMRatVtyrSh5_X0aaP3W5ynVfQx4Rc66kyRVIOYCbSev0CKF3t9fNVsUgA1CX02jnsKG3KxPNEO6M_lEV0_JOQkxh0lreLr6i1mIz-sBznX9PMa7VTk6KNSuEtlPfZLvcEfF-gzyvsMof-RIGSCinUvePT_hemyzCAzIRJpxVSZAwSlwvVlA8nVDSekfSwq0i4zdIySfyTdnHW0OvNegBIP8PzX11-4pWvWDR_0jHX6l10DswNwg682imrrUgJlm5NCgsr5N0DwjEgSyv5qcklfnhJAblmIbyaYGCIx4L8MJRzu2lmQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 1029215 (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: 2743c209c23e12cddfea (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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