Extrinsic 109105-1

{
  "heartbeat": {
    "blockNumber": 109103,
    "sessionIndex": 1818,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x60e1b844119a88106164c24ceb14007af2649e838e348adf09cd880ceed0e668819a029044c8e62da77eb7d6a80fef09b860df676b8349f85f8d61f875e1bd80"
}