Extrinsic 32736-1

{
  "heartbeat": {
    "blockNumber": 32734,
    "sessionIndex": 545,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xa8fa9b4b7173178cfef04b56b5c41dcfe8fbc00e36e3a575f603eeb989483a72e831ee88692959b2daa30c55423ca0598b8917768be1285e33e50b312bdb228f"
}