Extrinsic 25368-1

{
  "heartbeat": {
    "blockNumber": 25366,
    "sessionIndex": 422,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x5884333df361d4881a2af91083f09451e36cb2605a3ecdcf7db9a09f89b4ca038d39a3cbc7891224f076e2d7555dfbe24cda63275f67b8d92282db02bcaafb8f"
}