Extrinsic 78275-1

{
  "heartbeat": {
    "blockNumber": 78274,
    "sessionIndex": 1304,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x94848b90dada39a4b8743ef319b87f0da93c67984da3b0652c9f7074690e16294fa1b63e32843d90813f1b1940e95e6c00264e38cf136c807436508f232a0982"
}