Extrinsic 34364-1

{
  "heartbeat": {
    "blockNumber": 34362,
    "sessionIndex": 572,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd6e38468046f07991c87b7e55f09a84454764f4b43d3fcac3d3f66985520dc61eaef23ed34094c60f054e513e960b1c76606f69374a773c0367b30bf0bcb7e83"
}