Extrinsic 176898-1

{
  "heartbeat": {
    "blockNumber": 176896,
    "sessionIndex": 2948,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb28c6d96328850d5d8134cb776ddd5fa4f86a129fab445c22e9a6b5efac2c1158b8791a08dc10eabdaeedb5d6625785899128f0febff9e6a8d5327a60bb0d18b"
}