Extrinsic 123270-1

{
  "heartbeat": {
    "blockNumber": 123269,
    "sessionIndex": 2054,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8464278bda784754d41c9aebae512bc699cb23d389fcd1fe304bce4c8fa05a2bc3cd378e8488732cf2f441bbb7214117c8c9bf3d997fd12f5a0302eb67057289"
}