Extrinsic 22509-1

{
  "heartbeat": {
    "blockNumber": 22508,
    "sessionIndex": 375,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x18dec2740b5c037a829bb6defa666af6499513ad64ba781ed83f9af90dea8d385ca31bc67384a3fd7e788aa3aafb7a6fedf912cf4ed429994c3505d8d55c0687"
}