{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"462214", "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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.tdMZmpzc_AyGkW4MZmTIffO4K2cRtZdOtCmxfpMp8BzTruM2ZRcgrC-s3yUPsX8lWNqiHaJsYEj8Cc3eP2zaBl1vn4rFRrx6RpJaSjMiFFisnGSYnKYH1WUocXoaZcluErHmLKPY_1GHugov0RaVCgYZsgjA0ED5FPIl0e3N015fGFiGepPB1DeoRVvC5IVrBt-tpOjDuUmYm0VPF5jyDbkcqmC7GC1pq49pS8Svcb5c_FpDUl8pxm1BkCBVLz-CY_xMLC1nli-0ROLQlgVdCGHcCQtibbX8kbbPA_j_ZFi-9YwvzvJ0k5_DnZfbIesNs0obGQ5UxD93UgMzZzTcqA (required, opaque value used to maintain state between the request and the callback)

login_hint: 462214 (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: cb3fc517a5bdf6052f5c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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