Extrinsic 22549-1

{
  "heartbeat": {
    "blockNumber": 22547,
    "sessionIndex": 375,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x2ebe06711f6235b04af62b7330e2d5ca17f01b9b3062a0a70f102a9792046126b01fc1fc9266678df0d3755dce243e5f3eddfe7465da87d685f2b9f993973189"
}