Extrinsic 32912-1

{
  "heartbeat": {
    "blockNumber": 32911,
    "sessionIndex": 548,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xeefa39696ac7a31296fb12f2ae931cb51fea73b9146f3fc89a02e4c5db641c1e035837697c85a11dc1a93793d4e3538dc053c29d92394bfa3d58fc401455508b"
}