Extrinsic 63942-1

{
  "heartbeat": {
    "blockNumber": 63941,
    "sessionIndex": 1065,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd0f07659f7a8a8e6f643edcc13ca786efbed4e5d4d855b9e29282543e280765a72d3642928e144572698be8adb5c88f05695b75dc5bb3e5ad5d1a8b064161f87"
}