Extrinsic 23689-1

{
  "heartbeat": {
    "blockNumber": 23687,
    "sessionIndex": 394,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xfac31fa6584b660dbb248c48f8b4a77f742950d02c9563e86470fcba015cda73b1a94193c405fd10181ecabaa21558abee9258872e83e7938d2d52ddde5ba98e"
}