Extrinsic 148532-1

{
  "heartbeat": {
    "blockNumber": 148530,
    "sessionIndex": 2475,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x748bfac49ed89c6a7dc7a31b210130caec0ee458591d1005673616f9f2b38205359042c87fdb078f83ba2e0ba0e115f2467053310d66b76f269865894446df8f"
}