Extrinsic 34297-1

{
  "heartbeat": {
    "blockNumber": 34296,
    "sessionIndex": 571,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x5e5e8b21f62472925f06459a6a58185751bced60fd6edd4fc21fc02487ff152527c4c9a2b3959a8de020e4cb29248ca7b7c64375aeec8614872625cbdc2a1d87"
}