Extrinsic 63821-1

{
  "heartbeat": {
    "blockNumber": 63820,
    "sessionIndex": 1063,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfae224cd54c19bf15ca008c62c112d996c893cfb806ac6aee818f02de6eee753e0a1b678f2fbcab4a6753a38a2468d10dc2d74a03a6440ac2b9c65fb88886383"
}