Extrinsic 41496-1

{
  "heartbeat": {
    "blockNumber": 41494,
    "sessionIndex": 691,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x7c7a0a0c12898f98467e0d33e51721c9797a4ecca698943154e68986d86288086ba48d75a11da3d5e8d7afeeabe98a4a8ef1215ecece857bcd643f022e719e8c"
}