Extrinsic 127479-1

{
  "heartbeat": {
    "blockNumber": 127478,
    "sessionIndex": 2124,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc45257e188ff74f6d947da513fcbbd0a2cbc1be2d597b67f54357098d73170341f3d890ebc008088c50cb0cb03049a1e05a1d62191c5f877da032f4377a50982"
}