Hey

We've have been trying to get some live data into our broker from this
datasource (
https://data.lab.fiware.org/dataset/mobile-sensors/resource/34ca77f3-66b2-417b-8a8e-9c6378a7a57f)
using the Orion "federation" (subscribeContext / notifyContext, as
described here:
http://fiware-orion.readthedocs.org/en/develop/user/federation/index.html).

So far, our attempts haven't been successful - our broker isn't getting any
update fromthe orion.lab.fiware.org broker, but there are no error messages
so I'm at a loss. Here are the key commands I ran:

1) Generated an Auth token

bash token_script.sh

Username: myemail
Password:

Token: ume0SjyZ8tMUTi3PKf2SY7T1Ob4d5x

2) Subscribed to a specific attribute change on a specific entity

(curl http://orion.lab.fiware.org:1026/v1/subscribeContext -s -S --header
'Content-Type: application/json' \
--header 'Accept: application/json' --header "X-Auth-Token:
ume0SjyZ8tMUTi3PKf2SY7T1Ob4d5x" d @ | python -mjson.tool) <<EOF
{
"entities": [

],
"reference": "http://52.30.75.227:1026/v1/notifyContext",
"duration": "P1M",
"notifyConditions": [

],
"throttling": "PT5S"
}
EOF

I then received the following server response:

{
"subscribeResponse":

}

So I believe this means my query was correct?

However, since then, the TimeInstant field has been updated, and our
Broker hasn't been notified at all (looking at the log). I have also done
some queries to check that my subscription exists
(/v1/updateContextSubscriptions, changing the duration) and some other
queryContext with the same type/id to make sure the attribute
TimeInstant exists,
that the selector is correct and that the values are changing.

Our broker is publicly available (you can check it with
http://52.30.75.227:1026/v1/contextEntities), so I'm not sure what else I
can do.

Thank you for your time.

Guillaume

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