Extrinsic 39463-1

{
  "heartbeat": {
    "blockNumber": 39461,
    "sessionIndex": 657,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x0ce18b01a128b0f345e62a9843b47590cf6932f885ec75546a95f0e1d561cd7a7798864759bd26b62c81838e6397e9b43434c411a9b3c21ccbf1fc71c35d8787"
}