Extrinsic 2596-1

{
  "heartbeat": {
    "blockNumber": 2594,
    "sessionIndex": 43,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xcc9cf5cbf11312865f821bec60e9bc882bf33548648376be109cd74c8e619804a1acedbccb63c5ad4cd6c58e03e5b5c6f3b9bcec960c64a1fc1ce60f73058f83"
}