Extrinsic 175066-1

{
  "heartbeat": {
    "blockNumber": 175064,
    "sessionIndex": 2917,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0893c0f5dbd59b315b9fb84de426318dee772bf1a20c8872de40e0427325365fa2955ea6eb2c487923ed7ce65d451890cac950591e1a99fc38e9fcea916e9b82"
}