Extrinsic 46714-1

{
  "heartbeat": {
    "blockNumber": 46713,
    "sessionIndex": 778,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x9c1e4e902318b21b72eed38f5b50b1fbc41f1a39af6613974bf70c4f5d86ab0ddb31a6816ee894ad9fd876baa750d5588d0b6f7c2e6ceb4344163b77cfac1d83"
}