Extrinsic 71920-1

{
  "heartbeat": {
    "blockNumber": 71919,
    "sessionIndex": 1198,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5055b7d6a09d841e872d698abba5c0e09100818444e62565c341378a77f0d3205bcbf63fe6f34303f17a0521f8617ed3abb66bab0314a97ac4c04f31db3af288"
}