Extrinsic 11711-1

{
  "heartbeat": {
    "blockNumber": 11709,
    "sessionIndex": 195,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x0018a60ff811263b7e6b74f94b71dbf49287a4ef79be06d1751dcd57ec01210d948d0fe624d2527760390ad630ebb16656fa0d760ca59e755426af3ebcf73381"
}