{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1246427", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2086/launches", "lti_message_hint"=>"39626", "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/2086/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImEtX1FjT3BJaC02UmNhT0k0N2FjZWQ5T0x5M05VYko0MWRxd1YtZzlXdEUiLCJ0eXAiOiJKV1QifQ.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.Kwy1_0oX2r6WFc9FglZqOn6u0wsAliHDROdp52ahQVU1Q4SrhLGLWJPw81z0wEuWbQDVbKZqSnFbM5rQXs8xXkU1J9ZhlA7-Iz8HlttUuny-j8RJbCVMHYh-rO2e3mY4pO-8JoKXNwq7T5IcDlm2e6iA_0hR13HMbfrJWGV_IgaERNAJ2goMFlZFnrZBj-JfFiZywkD_D_t1SSr4q_rtEh_pPYrx3QXzYe3GiZfBNC_OzBG4oZMMCtG9MpOerrtklM9TwoGmhgHeWDlbIqQE8i1cPFm2ta1vMb5tJb1xshZknpqPrdibitd7MQr1UVsQvFlEOtaEjRbyc5yf1_KtWg (required, opaque value used to maintain state between the request and the callback)

login_hint: 1246427 (required, tools and platforms must support a value of form_post)

lti_message_hint: 39626 (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: 1fc1831ac977e4a9c187 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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