{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"991501", "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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.PA0Hl-ktABGkltj_v5aIlcU0LmFYY_cLLk0rKDpEis5cfiTJjbvkHVwm6WckpdDUDa-fan4kXt9n5-8reG_gEfhQtpZziUR1QdNTaoj6_aaDpWx9H6a5jdb9JbF93L5vJuR2moUWS_t1ioGDp1ReFvviNvay0i-gPPbHl6AqFI00BP06ll_qEVwQTlZMcPGoNbBs0enD9N8Mp2cez5gsAxlKZL_G1c5watUHXjI9_8nttv2xsYbQn3aD09Ktkcji5CE9LbUqyRb162KwdBIgYlRWQiaGJ55ysQZOD0fbjEbjt1cLvkSlRhJm4_naEEPDSeAewvRUagP5bQq0n6YxuA (required, opaque value used to maintain state between the request and the callback)

login_hint: 991501 (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: 743594a1029dfb2baed6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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