Extrinsic 22105-1

{
  "heartbeat": {
    "blockNumber": 22103,
    "sessionIndex": 368,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x9a0ab3f73ebc4cd634fb3ad36c0a37c61e6ae9d9303e34dd5f67e4078bf320699aab7acdfcced5f82147aaa4b08424f9c446cdfc124bdc5c5004c05d1129738f"
}