Extrinsic 40419-1

{
  "heartbeat": {
    "blockNumber": 40417,
    "sessionIndex": 673,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xce8e7a9c219dbd482a32d00cc5f8c06fa6f591b30ee36e0cbdc0af90cff6e937f77e385785264e4cd62946c76613385fb57aba14010d0554429d02162df4c081"
}