{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"398443", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2061/launches", "lti_message_hint"=>"39436", "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/2061/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhWRWQzdmhSU09haURON09PNmoyMWI3bUFKUmlkSVBsNGZNbEt4eGQ5QzQiLCJ0eXAiOiJKV1QifQ.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.oIBscV-oqVoUvAvqngwHKkW3GIE0mUlb711iMfmbCejQgELm4WJewwpcIDD5TChLxATSa4Ny0gLrET4a65lQPO9HDHZSRC3KT0DieA6xW4Z7wR1kwwHrdEAZUP91p-7IwubQoum1ckAd6L4ljCiOp5CQPVXBA6UqF2bHKM_nQAWkcGifQgmOm7IJZpoYWz2A5x3xaz2vq7IqVon1t4dPgViYv6viMulHpiLHlS0njE52ZhfFRyU3bAJRydvAFCEmNUcBbZhvgLLBvUlCfSBDZxXcd3vUhgfIWH-7HWev0rSJCerie9JhHUQUh6mdDM15cM9jM7nbZ4Sz8ghlGyuu6w (required, opaque value used to maintain state between the request and the callback)

login_hint: 398443 (required, tools and platforms must support a value of form_post)

lti_message_hint: 39436 (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: 80f2ef101398e8cc4d2f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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