Extrinsic 45547-1

{
  "heartbeat": {
    "blockNumber": 45546,
    "sessionIndex": 759,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xcc1e49a225bc14c1b7b8e8c60dc7c4a55371735b6ccedef60f9518bfbd412d7b78574561a069c19d5fdb059439607836d5ae86734d830afde3bee27701000482"
}