{"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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.LEwtsqB1FCJerozybhpgRXY2aZZ534ooecJNmH2KssQucrAXNTlnwiBgXzCLF3zGaHmiqCsFNqbaJBFWTqSFu5clAiO-cnDBcoL_XT-6S8r2dTJ_6UdQNeU1GO4p2FrF4av4Ct5iDZlpw4jQh1Hh-OP5cAHdlhY8iIFx_iL-7yTW2klo0xN0bt8MCswmn8erHyDWwifwD66ov92HiXfCF-Bx0vIjdEbCms8gLRKIJS8kaQHPRqcB2RMPi6rQDJKwT0a7Fdmym55RoQL8CwohK6EbWHptgF_HJLvpGe1AeusF3PgfhVAM0gz_BXPWgxMt2n876qf3URyUVE1LipFZZw (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: fd36cc7eddf7c090bcc6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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