Extrinsic 72203-1

{
  "heartbeat": {
    "blockNumber": 72200,
    "sessionIndex": 1203,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3607a24e57e008ee487b648e4cfe0c8e7a24786ada323a638f9902fc150720273bca2349ce6cada078be8d269a22b838c59a091a700e7cd3dc3a54e8ca896488"
}