{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"796877", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1991/launches", "lti_message_hint"=>"37230", "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/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.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.gIcibKbo6XOi-VESe6ssNZgwBiF6JZKE0cB8fMw-aIBcHI4bOXL0QaDERCePc5vDHwgd78VcspiAjuNn9E7oG9CNOvrAlrvk6CdmIXRd9Euk_oHeGz_dv_uQpuqFspbqp895S0BW5osTLmyLktybHl6e5IIRndvoc0Fl8yVlft-AgBnAZNNzpWToj4J8p3R9CBZ0C0_DkyJ3RAe35x6yuUh6Q66cEK9jQKdujMaLZSR3skeiUI62lxelPFO6L-zG5nXgZE5PTyE_wz0f1NCfPNC2ecSnbCh6rMDZVpxi4ZOZaJZgfnFwmAGXM_8nGq_9PP4IjFZTJwpq_HinuiOOlg (required, opaque value used to maintain state between the request and the callback)

login_hint: 796877 (required, tools and platforms must support a value of form_post)

lti_message_hint: 37230 (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: 53afea0cc64d419e6b46 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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