Extrinsic 34515-1

{
  "heartbeat": {
    "blockNumber": 34514,
    "sessionIndex": 575,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x181d2892da86e5830e6bf714286abffc34df5fe532ba6929ee9709597adcc50afe28b981e782b1413509ba72469a3d3b7ac69a9808af9cd950975acaeec46882"
}