Extrinsic 31788-1

{
  "heartbeat": {
    "blockNumber": 31787,
    "sessionIndex": 529,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa4fbeb7b81f7d329e7ee3f8f5d4472c74bd83d5d0d688bc8f5b5debafa54de2370ea6cf86745225d8bb17bb8f1a9f4537a4c323369ca7fe69a5c77d6ae87ba89"
}