Extrinsic 137619-1

{
  "heartbeat": {
    "blockNumber": 137618,
    "sessionIndex": 2293,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc0a2631de6d6f655824955d915885184cfa1c01839064f544e506937c56b6b696fe99ac78e6bd3308c6796bc763830f22a4956839c8258d3ebfab9af8c1f2c86"
}