Extrinsic 22902-1

{
  "heartbeat": {
    "blockNumber": 22899,
    "sessionIndex": 381,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2e04eeb3bed90faa08e3df3eba866ed5939ffdf6dfc9f19feea09ba874fff657577276269869ee66cb336663ba0446915a7e9cbf687c8e7f355fa0a2f981f88f"
}