Extrinsic 31942-1

{
  "heartbeat": {
    "blockNumber": 31941,
    "sessionIndex": 532,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xaa169686c2006995ef90a0c0867712d2425cddaa877420818f3e92d18c25f7332cf4c8fec9c9b5df00019143781a4f3d83aa126133ba422ba1ba50acc20efc8c"
}