Extrinsic 66466-1

{
  "heartbeat": {
    "blockNumber": 66465,
    "sessionIndex": 1107,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x60ddec0e0978c1b602468f8476b12be223de0d27641f71808697e3ac269ffd544c3219fbb02bffe488ca97f03e657b3239fb758ed6f2987b9d326ca5225b568a"
}