Extrinsic 138694-1

{
  "heartbeat": {
    "blockNumber": 138693,
    "sessionIndex": 2311,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8e8402908b9cb9ffc6a958fdda18cf14ace23943be735874b2257726df3293713cabba45c578f2dd735da0153d34ac86cb3bb69126e3f3c649c0e74a1d1a2e80"
}