Extrinsic 22691-1

{
  "heartbeat": {
    "blockNumber": 22689,
    "sessionIndex": 378,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x7eb87c5b4cd012f9ab4cbdf26f5b8599b0a125d3c8986877d73fd68a14875d6a275d4cc66e4d3227fbf8b04b5245c54103a8cb56e03de4b6395438fb5cbad884"
}