Price Subscription via ISIN and/or MIC

Hi Refinitiv Team,

See below code segment used via WebSocket API to retrieve prices.

Please advise how we can use ISIN / MIC codes to subscribe to pricing, as well as any way to retrieve a look up table with the relevant symbol / ISIN / MIC / RIC code.

SENT on Session1:

{

"ID": 2,

"Key": {

"Name": "IBM.N",

"Service": "ELEKTRON_DD"

}

}

RECEIVED on Session1:

[

{

"ID": 2,

"Type": "Status",

"Key": {

"Service": "ELEKTRON_DD",

"Name": "IBM.N"

},

"State": {

"Stream": "Closed",

"Data": "Suspect",

"Code": "NotEntitled",

"Text": "Access Denied: User req to PE(62)"

}

}

]