Extrinsic 2469-1

{
  "heartbeat": {
    "blockNumber": 2468,
    "sessionIndex": 41,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x94da9bed716b1d60e27416be5fffa6459179e8cc26be30431d019c928941ee714a45aba7dc31bc57e5ccf64b9a80f3f6d86ed39ae8bbc87aa81f39df071c6a83"
}