{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"674434", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2086/launches", "lti_message_hint"=>"39626", "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/2086/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImEtX1FjT3BJaC02UmNhT0k0N2FjZWQ5T0x5M05VYko0MWRxd1YtZzlXdEUiLCJ0eXAiOiJKV1QifQ.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.DbMMcmuM_KK2Z4uofPFmDEG3QpQjEygN6p8mcfpx4vHiHG26vFU6A4ZKBpfch7NmCbmAJwDEph2mQUgqOYWSxvV3GzqHsI6OUeAA6VvRLkM-E-Tfnj4Oz8H1ZYIuc9HSwi2UB69jTQvISwEj3lzv3f_cDls3rIlVIDS4h_t7J0TPlTRKUHCewBvf8BS7pxwlEUl6VxlREx6gCGbTzarbnGAoRnIhVZRfHorN7-DA3dXZY4sMxkB7Z2zRdPGFuNGRSDxWDN_5ILCZdwzrkalWYl31IzWX4J9s5IW-oU491qVRqKgd0r2FdutKKawWv_Yx-LQ3cQL07oHSlhuIMT212A (required, opaque value used to maintain state between the request and the callback)

login_hint: 674434 (required, tools and platforms must support a value of form_post)

lti_message_hint: 39626 (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: 49a454867f9ad8d575c5 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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