Extrinsic 61424-1

{
  "heartbeat": {
    "blockNumber": 61423,
    "sessionIndex": 1023,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x44afd2001e106d5811e5c0504fea1bb5478118131dc948417401dfca92b3344b4f80f22184ffea3a06f8532f683baa24886cf00a75618735883d0c2e5d3a3282"
}