Extrinsic 23502-1

{
  "heartbeat": {
    "blockNumber": 23501,
    "sessionIndex": 391,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xba130854c6887a54cc8b1e2da13186057dbca999f530e4f0eb71a4e4d6034502e4dd9b0bf9ee75240100a544a7a0526650fb9884caa95787ccbdb2bcdf59ce84"
}