{"iss"=>"https://lti-ri.imsglobal.org/", "login_hint"=>"556041", "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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.s5C7yjEp0lhpe94UrGYGyhC454Mk_evLxPW6D6icbwsv0WIEqylqafvMERkHw32xs9HkxKyg-A6Za5Z2RqP01jNymt3aeSEZUVcATtQvtZc1A7yEt1jcJKsEjW69CDTLQ2ZFXzqovA5jHHpxU7OduTI3R8gxlpYlMo6MlyCuVQpM9swqYW1G9da92ggT2_LEGDeE2ttOaHCHoF1cJZZ_Y3TGEc13GA40s4HsvahZgG5GDgVawhnzEKs8FJlHU9B7KCL39mpcajmXslvO2l_Ht1ih8PjsnA1dPqRhwhxPCjymJ18RZS0EzG9XvOr5QQwbDBEnmunr1PM8OSk1bLU98Q (required, opaque value used to maintain state between the request and the callback)

login_hint: 556041 (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: a10ae024f8b81a3f9a99 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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