get cluster balance

Get the ledger balance for a particular cluster

Request

Method	URL
GET	{{baseUrl}}/api/service/v1/query/merchant/wallet/cluster/{clusterId}/balance

Header	Value
Content-Type	application/json
publicKey	{{publicKey}}
b-access-token	{{accessToken}}	Use the accessToken that was given in response to /api/service/v1/query/merchant/login