Extrinsic 141155-1

{
  "heartbeat": {
    "blockNumber": 141154,
    "sessionIndex": 2352,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x80326f4b418cca362a6585f710ce4f2745581898cc857670d2efd5295ba65a49052d9a93f404ba9e22a5cf652647e5ba1d0ffe5906ae7485d0228a4a234e0f8c"
}