Extrinsic 119722-1

{
  "heartbeat": {
    "blockNumber": 119720,
    "sessionIndex": 1995,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xb6db311cf168c97f39794e168bd9248e5c1f8c6212901135b4afd5ace07af177ea7ce03a1332265bdbbb5f2d1d4cf26856557ca09e23985af8fd07de9c0c8c83"
}