Extrinsic 49307-1

{
  "heartbeat": {
    "blockNumber": 49305,
    "sessionIndex": 821,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x3c0f72e3783d2fad893bb434b23b177b36447d8cb6e7e0853f24ade9ddb0bc18557dd7f9fbcdc0547edd38cc87a75cbff3c1e8ab6139bc849d1c87fb17cbd284"
}