Extrinsic 43778-1

{
  "heartbeat": {
    "blockNumber": 43776,
    "sessionIndex": 729,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xd0c17f83314a0105b0de3779feb661ac2914b4ea8429304ffe10d14ba91e0e5f24ded453448f03207bd9e01e09e90173eae25a48154df6e68909ed62ffe30983"
}