Extrinsic 27697-1

{
  "heartbeat": {
    "blockNumber": 27695,
    "sessionIndex": 461,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x2cebd21179fd4444bdf1bf818a6f5b1e026ca2ec99e816f25af14e9ca8b2894616d5a29af2268e7b5185d2f0a5f65b8523622da5c1e68991fa0d997dfc3bfa80"
}