Extrinsic 47551-1

{
  "heartbeat": {
    "blockNumber": 47550,
    "sessionIndex": 792,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xb4176009ab14c8262bca02ae620465faf2465c44d8aca0dc10563d8d5503176a7a434a34477661b2a25edcbbc67e6744984e0078309e464fd349d24660f99984"
}