{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"340919", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1964/launches", "lti_message_hint"=>"37039", "client_id"=>"Lrth Test", "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/1964/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: Lrth Test (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IktKTFFrSmU2a2NlOXJianBjSHhiVjFXc21Fdi16dHdESFp0cE83VHBvT0EiLCJ0eXAiOiJKV1QifQ.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.gkb9nZrj5FgOVjyXQzu5xRXAjbEBrvvdgJ7IdyAv_XMIOyf-JhydrnJgFjRvM1b18a6sEOpEXiB1QIkLsAYw9fCc-t2sfyP3bTQQbA0DItJWOGNADmT_U_UkPpaj5JFqXL45jfB7l48EmEArrM3ogYHt_qsrZCMGoObezIUs3GjqZBoe8F4XmBPwTLg5kE3qjUXnf_rHycAnf5ZuuI_MNvg0xfHsG6VUoSpGbrimUVMLHv0GE4dPQT8hR06Aim8uMqNnxp_pbJMRrUcbS2h6YZwUwUyO55vSF8YXEloBPNkmqqbwW701RmR1EiweDlp2Q_FGsO4U0XinybJCa7z8-A (required, opaque value used to maintain state between the request and the callback)

login_hint: 340919 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37039 (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: f88fcd1cad104ea848d7 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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