Extrinsic 43705-1

{
  "heartbeat": {
    "blockNumber": 43703,
    "sessionIndex": 728,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x50a08057a41cc0cb513eef80e199f493f85ae895a64225e50aed3d3ca83b66420f5d2eea40b5dcfea77a13c7574b534cae34f4f3a436e961f9725a832ea1158a"
}