{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"398194", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1813/launches", "lti_message_hint"=>"34154", "client_id"=>"12345", "lti_deployment_id"=>"2"}

response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1813/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImV0WXhRc1RPQVFKMW5uQVhwZ2pHSkdaVGVwQkM2WUlscXBNcnFsV2lkTzQiLCJ0eXAiOiJKV1QifQ.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.gCbao1y9pZAJyWdhRHsbCPTRvsVxhrcpU9KqAg4ALO5auou76LTYf37d4-1VtOkLGsvfaSiLFRnzlX3HaeIsHKcJeGr5R40U3CDQOb4SYaem6Uq43YX_SC4TLG3H9AXOeYjY1xihbqkLt-U36kFHj-PT2Qw_DWSEsqIRuk91pIoa_gVWkG1seekkQv9vhNgpfTmwGGJ_kmjc96DKka8_yNW9f3b9q0MzdMHlyLHL7EN-Fhhd3Bg8S7_qhaNlGRxUAX1moNX_GQySRn6eQyyY29B55FLTFcA8eTDMcEfeYsN80TBHDxJj025TQjj05tdod5DDcoqu37R8vmYOVVyLUg (required, opaque value used to maintain state between the request and the callback)

login_hint: 398194 (required, tools and platforms must support a value of form_post)

lti_message_hint: 34154 (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: 568a2662930d1004afe1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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