Extrinsic 35310-1

{
  "heartbeat": {
    "blockNumber": 35308,
    "sessionIndex": 588,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xc26a181c9eaebd42a55b6375ae04c77dd15a40add4568fcc7c27feb43d7d67239bfc50d9cde62b82be3503f22c754fe6ace8c1a4279d073048e60a86d7ffe480"
}