{"iss"=>"https://lti-ri.imsglobal.org/", "login_hint"=>"868949", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/3055/launches", "lti_message_hint"=>"72377", "client_id"=>"1", "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/3055/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: 1 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9WenotM1EyV1Q3UXBLTnR0ZDFaOWd3NGttRnVGdXNGWnNlRFlMRFpoUE0iLCJ0eXAiOiJKV1QifQ.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.wlgzmOXjI9c9rNJxYIWAg0lvUhjVVz8hfUQ2YCyJMyc72xz6v_QrwLGjpKIz6VpkMpXVodrVrZNZ1xJuPrwbeiSX3TdZQrA-NluzTXX-66TwUM4fC__uc5Wj0YLUWtgWaE13YzSMy0oIZSOTA4zO4-1WzbKEdd2WHDCYlLmOs0sxCvLWVuz1CRLuXubAMSqjGMuEohv4xKMaNGaYjqfboF7jfX2lQs4ZbECrHknWU2oyX1zefee54V1oFFMnR9CqNfgOeYzsGoGDCtQNZMvligHzr6e2Ws0dwTVXIzUkNuy55Cymi2H9u0VxShr9q0B_2iZ9m-sLqfjdmjxehrBHXA (required, opaque value used to maintain state between the request and the callback)

login_hint: 868949 (required, tools and platforms must support a value of form_post)

lti_message_hint: 72377 (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: 7c5293a08c030fe330a5 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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