Extrinsic 49719-1

{
  "heartbeat": {
    "blockNumber": 49717,
    "sessionIndex": 828,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xbe66d7fa6afed801d9f6dc51553c0b87f7bd9378ee18dfd389e01ee6ee740b691f4d2066a4e542ad310e738f19395cf6775dfec0a76f394618e14397e101808c"
}