{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"508022", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1813/launches", "lti_message_hint"=>"34154", "client_id"=>"12345", "lti_deployment_id"=>"2"}

response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1813/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImV0WXhRc1RPQVFKMW5uQVhwZ2pHSkdaVGVwQkM2WUlscXBNcnFsV2lkTzQiLCJ0eXAiOiJKV1QifQ.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.LLEqg3ZyQWFO4o0FpPq6nDXRBkK2GHGZwBVMMIO64AR-FJzOu_BZy181rnKO8YcESpKPY1JKV8P8FEG9rQ0Eu4jZAWRPeayqFK_NENz2QItQXQk7QKitkjGjQpWIHXSAT-m_be9Z3hNHdg8wOS79hfx2pWlSUU3OaVBzUHIPJCxENSbRUEPcMQ402w-GZfVkDLjiEvOJPYqCIOm9L1GQZc0sQqcSOqpGXGSHB1ldWOlObOCTqA9hKC1WBKaAzKfASRvr9MiUcA3jPRWdZufSL46IOA3jhLETSv3lQTtAuoUlLg_ByyzQaaMAdwn6im6CtP7XZFeCluok8K4mncz8hg (required, opaque value used to maintain state between the request and the callback)

login_hint: 508022 (required, tools and platforms must support a value of form_post)

lti_message_hint: 34154 (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: 734d0b66c03fc22a9f9f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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