error in expose odata service via xs app in hcp

i  create an  odata service in my xs application  as 8 Easy Steps to Develop an XS application on the SAP HANA Cloud Platform. It  can't access my hana b in hcp.

here  is  the  odata url:

https://s3hanaxs.hanatrial.ondemand.com/i307658trial/sapeduxs/sapeduxs/service/ticket.xsodata

I can get the metadata but  can not get the data

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I  want make the odata  service pubulicly. every one could access to it.

the odata service

service  {  "NEO_8MPZ0G6DIF57TEAALRU9ZWXNA"."TICKETS" as "ben";  "i307658trial.sapeduxs.sapeduxs::TICKETA" as "ialndev"  keys generate local "ID"  ;
}

..xsaccess

{
"anonymous_connection" : "i307658trial.sapeduxs.sapeduxs::anonuser",
"exposed" : true,
"authentication": null,
"auth_required": false
}

.model_access

{
"anonymous_connection" : "i307658trial.sapeduxs.sapeduxs::anonuser",
"exposed" : true,
"authentication": null,
"auth_required": false
}

Thanks &Best Regards

Ben