Extrinsic 144373-1

{
  "heartbeat": {
    "blockNumber": 144371,
    "sessionIndex": 2406,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x96d879338e81332b8791e5ed6fda9e9cfe5cafde12aaf0ef346966f7b3552e36424d36b08a79ddf2f424ba78e3a942311b1f2bd50cc989aa813264865fc66c87"
}