Extrinsic 144369-1

{
  "heartbeat": {
    "blockNumber": 144365,
    "sessionIndex": 2406,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x940bc56048916f4843104f49b5007b8318c8de4c6c36c92618336a81b7ede834911ba7ddb0bcd7fadab600c84a70f554d2c37b4d06f102bb60cbb9ab3778ed83"
}