Extrinsic 88059-1

{
  "heartbeat": {
    "blockNumber": 88058,
    "sessionIndex": 1467,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1203962c71432127cd3ebdd421222c199719e88f07d500448b04d7741fb88c473d43417db0a5364940ffa074002a54b84f986ae8dfbe85e5317e4c0864128f83"
}