Extrinsic 27563-1

{
  "heartbeat": {
    "blockNumber": 27562,
    "sessionIndex": 459,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6af461079a6ee4aeee21fc5f8133ddb6c804ab17eace31223b3fb165271b1d11d9b7a9348458150f31ae2a47aa500f42f9974a16bfd9905212b90ed1dbc1a48c"
}