Extrinsic 11774-1

{
  "heartbeat": {
    "blockNumber": 11772,
    "sessionIndex": 196,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x9e8de6fa4bd943b9bd6c8ea53814b19b64cbfd51f9b21d637d0810bc1679a52dfb66a63e657c8ad72412e45302eb0838b48c3990a1823d4ff9cd9182f9bcb98c"
}