Extrinsic 27506-1

{
  "heartbeat": {
    "blockNumber": 27505,
    "sessionIndex": 458,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x9acdfbfb8d55bd9427643d019e81c65a41aca8a4ea815bb211582bcf4affae056b4b95ddf27d1dd912b30df6f723913398be6da02e991f514cf10a8d3614658e"
}