{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"1025048", "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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.L7GNhM0pR5RMA1-nRoGI_Xpdq3Kjs3KhWRMYkHYxm-AePC2v3bk4PPah6tE6Gka38osmXinea-IPZdnq8RZdXUrEfoca5cx-m1DXGJlMCUGfMsEpvmzxMgSJcPzDFkWvhkHtV3G8WkWS0a9ncVB4TrAjcPC_a640GjJCj82hhDmGp-zhiPGOdYr1W97zalFRCr7dZ9gqhralBMphlcFH0EHPOQQa5TigZe4QofsM2COUXzi_FtXLSyeAI_T5ZwOVlORSwjxe5C8KqZ-sBgn685nsKycstTp55IrPZ5GRuMDsBoHEuWn5PB-agZm8iiUL7AXgpXQc2RdcdGs6OPeXTg (required, opaque value used to maintain state between the request and the callback)

login_hint: 1025048 (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: a52064da8a2ac4565920 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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