Extrinsic 14377-1

{
  "heartbeat": {
    "blockNumber": 14376,
    "sessionIndex": 239,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xdc096646d5e639fe7fbdf0195e8ffa65a9bb60e35614a444df26594dcb9a9675f9c0f997120c9b1926dbd624fcff5e54d6275950cb49dd63497ac391130edb84"
}