Class CruxClient

 const sampleAddressMap: IAddressMapping = {
     'BTC': {
         addressHash: '1F1tAaz5x1HUXrCNLbtMDqcw6o5GNn4xqX'
     },
     'ETH': {
         addressHash: '0x7cB57B5A97eAbe94205C07890BE4c1aD31E486A8'
     },
 }
 // Advised to pipe the method putAddressMap to registerCruxID call
 await cruxClient.registerCruxID("bob")
     .then(() => {
         return cruxClient.putAddressMap(sampleAddressMap)
             .catch((addressUpdationError) => {
                 // Handling addressUpdation error
             })
     })
     .catch((registrationError) => {
         // Handling registration error
     })