Extrinsic 48926-1

{
  "heartbeat": {
    "blockNumber": 48925,
    "sessionIndex": 815,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x3c51760d2c01613164d00ae836d4cec124f0f25354f73beca9b44b199849d512f8b3e4c72a0bbe9ecad5caecd7fe7d3ba024b7b6fd312895720170268e1fa781"
}