{"iss"=>"https://lti-ri.imsglobal.org/", "login_hint"=>"529689", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/3055/launches", "lti_message_hint"=>"72377", "client_id"=>"1", "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/3055/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: 1 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9WenotM1EyV1Q3UXBLTnR0ZDFaOWd3NGttRnVGdXNGWnNlRFlMRFpoUE0iLCJ0eXAiOiJKV1QifQ.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.JyqVBns0Z1P1BfxojdSeJokWzHO5-ZXEvbJxXvKX1yQnJqaXjhOF_hx45Nrfo_8s96Qd5WAW-AVqibjAK-S-TLgDhQ1QF5UjHvdUth-5MC2opkI3vXYYe_TDPaqwuntLzsCikB89hRJyRxS9ffgrghXT9-U0Ra8Scn57nvyeFqmJQTCSonwtxiv2pToPxOPc5HW9OnQQwJ1w5xGwytCJiYXw0zQrRrOBgGeBzVEjWw14RHYrpdmuj1cqdyNLe9fZIkFB3gNG44Z1NCQO_kL2DTNORjv13kh2wCfAw0byCbtj-yqqh-qUbyedcOMkFym-u3_BQqJ3fZuO9C5ihsx13A (required, opaque value used to maintain state between the request and the callback)

login_hint: 529689 (required, tools and platforms must support a value of form_post)

lti_message_hint: 72377 (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: 1777c3c405230fcb0017 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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