Extrinsic 109147-1

{
  "heartbeat": {
    "blockNumber": 109145,
    "sessionIndex": 1819,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x16e111213316c85933d3fd1bfc0131fc54df3b3c94f3bca0615b3b5e34bef977667e2f11ad1849426c5ab16580c4ed19a89d7d3ec8649acce1c95139c3ff3c81"
}