{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"616820", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2570/launches", "lti_message_hint"=>"67785", "client_id"=>"123456", "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/2570/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: 123456 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjZEN0tmZFZfaEJrQk5ZcTVKQ191Tmh3RndKZldaTWJxbWpJWHBCUXFfZmciLCJ0eXAiOiJKV1QifQ.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.C0ZQwQe33qlZmluBn6Qf6isMriY676ReT9-Iis4y7jyP4WVDLPQzdB96yFMjYpIUhaeQ-JTYNgqPzLegZkdkWRPFKhKW-LwyHq6gaeRRM25-9A3kQM4V5gfs0CHYUX0o0MDLNBYmHx5PW0vAICFaYOKCwQziNNV6gG-CZcIUn47jZTc0YyFsJwOho01o1lM--YP27he-8iZV6b5MjF1MR9oE743wJyV07kTUCRQ8bHxZRRgswwVmR6VMEWa-9tWcTcFvGyh-U-iq67dgpg39NjEou4-rMZygxXM38BnmQPMBHK7EvKIpEG6_hHf2PK57LT0GTy5XGtC91B8WPIAC0A (required, opaque value used to maintain state between the request and the callback)

login_hint: 616820 (required, tools and platforms must support a value of form_post)

lti_message_hint: 67785 (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: 818ac72cb1a85011a547 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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