Extrinsic 9923-1

{
  "heartbeat": {
    "blockNumber": 9922,
    "sessionIndex": 165,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7a19102d5526ceef224a47ea92c0321f22855dae5e7b359d1112fdef9fc91f17c6be3e33cf78d3b1d8b2c876fcb068be1aab9107b7ffa9a2d277d93d77f17a83"
}