Extrinsic 25607-1

{
  "heartbeat": {
    "blockNumber": 25605,
    "sessionIndex": 426,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x069767d1516ab74c64deb2f3905f22ebbaf5e5586dd53d82ad4e8160a8fabc1005223e2b4c70edade85c8a5729db18b4da9c8e07fe03396353b333eb39204188"
}