Extrinsic 108889-1

{
  "heartbeat": {
    "blockNumber": 108887,
    "sessionIndex": 1814,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x0e912a9a71997ebd28b8bea1499686799b9d0c0b76c00308146e0e4e6e81997ebc5b985e09c2005c3df0a6d2fe8a551f7c124a7c7246b2ba5ae13ccc019a0284"
}