Extrinsic 68326-1

{
  "heartbeat": {
    "blockNumber": 68325,
    "sessionIndex": 1138,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3cf5c9a978b11e8ecbdeb6f1022564c27a1df2ad70aa233b42fe0f3b47b1726a5026748a41d4cf5b2fb71e38752267d50f24c2fda507437f022a89cc7e3de187"
}