Extrinsic 22360-1

{
  "heartbeat": {
    "blockNumber": 22359,
    "sessionIndex": 372,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x60b7b72625f056f08dfbb1824522f95d71048bc68582589fe4224af17021b55d7cade8e62607970864f790f294749a467acd79b2220e1a38a9d401ce93179b8c"
}