{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"590199", "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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.oVOV4M7NlhbXSQQ2K6PiqDeGojJJDj_kkzhDZYGjCHcsWf1-CtIDqc1nlhtOqFxruEPuUKZcd5y34cOOiAlYnV0rHbiah1Ujfulxpyixya4x6A5H-jx7faM2ei6WLbcTcaA-FmZLfiGBRLSXhg8sraQ4q-0piNc_NymQQi27tSL1BK1a2XiGLFU8MWZMwJgrOtrCz1wKFt_TyfK2RetabuOoRinX6YgkrJAa4FK45nZ0oZ6oNvBnJitX9tU5vRcCejOIURt8zpzjDMO3wOzEFmZIAmIM9aCKdgaikX_a0TfxKqUSndxmEVp8YaVsBJ4dO4a-PQpkGC9CRzQyYxneLg (required, opaque value used to maintain state between the request and the callback)

login_hint: 590199 (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: 28c60e3b459344d29f35 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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