Extrinsic 23267-1

{
  "heartbeat": {
    "blockNumber": 23266,
    "sessionIndex": 387,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x62a42f602c87ac724c682c41e7bf4ccf3772e1bdc2d8eda7acdf4aed98a7ee594cbbea27b2e3ef2b1fb1f1787066e3d927b10aea3f2b5e41bdde78e5d77b8b8c"
}