Extrinsic 49175-1

{
  "heartbeat": {
    "blockNumber": 49174,
    "sessionIndex": 819,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x2a5f9c5f1d9eb17d8b26c3cfb1167a0973adadd010317c27b840ec719d741a798cdfc52f79d1f33c9c9e0d1cd618279b23201347c5e844d91ad601186b783381"
}