Extrinsic 22269-1

{
  "heartbeat": {
    "blockNumber": 22268,
    "sessionIndex": 371,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x1e25a0d88cd7ff1a8b655d7b65d698b24d2537551e65a5d456368ae8f34b02408ba79837ad479383098729615b6806780684efdcc21badf833e934cb5fb5cb88"
}