Extrinsic 47922-1

{
  "heartbeat": {
    "blockNumber": 47920,
    "sessionIndex": 798,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x7204703dcaefc4dc4d91ba3057167fef2c65e5115818820985f40469f5b5454827155437e9902a0346f66783f87327cc3d35a9059cf12753cc9f58d6d12b7189"
}