Extrinsic 65373-1

{
  "heartbeat": {
    "blockNumber": 65372,
    "sessionIndex": 1089,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8c8ccd08c77dfab1b7ac9a736c158170cf4d6b60f45b5d3127f0ce2456472376051cf71dc5303be3b0ee2ba0fe39b3d814641721b03c9d4b669208b97f40d989"
}