{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"559834", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1960/launches", "lti_message_hint"=>"37034", "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/1960/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im9hSmVFTlNKcFdzZTQyR0JiOURQUl9WbTdLR3pnYV82dnpxZTFMQ1ljRnciLCJ0eXAiOiJKV1QifQ.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.NogfcNqIwrmaJuj9-fAclu4fVmbzkmZu-KfZDmsucpAlVsLlSJm4KxwICc4xaD_cWcUm7RO60Uj5daLTH76lhYAGE9xvVHzeuKbbjoeYteLVB6JAp8uA2OVLrP-zaLJu7phezzcG8G8ABn81gqwW0zaOKhxWOJ6d9QExKrWPObtau2PC55fz5r89GgLGKtW31q0U5gheIZKAAlatVpc7IqpwIlSoXy9GVhr-yafyGcA6KcA-aj22AuqaTGSwVpDSGObBMN6NsudPwsgYELZOrNZzmwDXcQvu2sJU0OE9eNrM_8XtFsUCnfHNiSl9ZCkEyWhCdtXgcZtJ98sJHkXJgA (required, opaque value used to maintain state between the request and the callback)

login_hint: 559834 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37034 (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: bab5a0928af6ec3ddd1e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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