{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"535020", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2292/launches", "lti_message_hint"=>"59394", "client_id"=>"12345", "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/2292/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNyaDU5SWN6YTBicWd3UmNZSjk1ckJCN3laMUlrNWdMSXRTNUl5TmZqclkiLCJ0eXAiOiJKV1QifQ.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.SUvWjZt9wRvit3xeh3hAreEZzzex8ryFQ4XIx_r6hDl4WCpMoIwMmli1Bc_KRA6BCAqquR8__3bbnnxshgOoj--0eUu3qc5Ur9JEQyxWNTmZN82oPtRuHsqR_5eDzRIux9BUGPEGj4sc885YTSXGWUeaMAApkh13di67dUGsY8rAsIOX7hYKI9zdbZSsc0DiT2foqXs-wX93aErX_nXbauNl1S3tnMbvexczX_Gwk2k_HUgPiGl5XxVj69GRjaZ1BB8i29Jr1u3x0nYxne3kro-fxLSi530TXKJfjzV1sF9oF7LLtql2lgrJieCWmZZCH7AvIxurDqGRpvS1MuLWdw (required, opaque value used to maintain state between the request and the callback)

login_hint: 535020 (required, tools and platforms must support a value of form_post)

lti_message_hint: 59394 (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: e18381dd9a02d5ce2278 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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