Extrinsic 22188-2

{
  "heartbeat": {
    "blockNumber": 22186,
    "sessionIndex": 369,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x10b3fa22c453f3c3edef587297cef9b0002b9358b4f4fcb42863c0997f47483e512a3c82672b927ae2397d6f9f063d0a71c7e3a9f0f2e2c0dcd9950b036aa68d"
}