Extrinsic 72581-1

{
  "heartbeat": {
    "blockNumber": 72580,
    "sessionIndex": 1209,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x648464900b8becdb7eda1d7b9c6bb9c7604df8640bafe9be022d8d465e288a623e6dd397a8566bf8f7246fdd75795d9d56deb2ed5ab1073719298327e84e308f"
}