I just completed a HubiThings Replica driver for this that has a subscription event to SmartThings. Same functionality and does not require poll to SmartThings. See
For HubiThings Replica: [RELEASE] HubiThings Replica
For the Replica Samsung TV Driver: https://raw.githubusercontent.com/DaveGut/HubitatActive/master/HubiThingsReplica%20Drivers/Replica_Samsung_TV.groovy
Be sure to read the readMe for the TV at: HubitatActive/HubiThingsReplica Drivers/README.md at master · DaveGut/HubitatActive · GitHub
