Extrinsic 41542-1

{
  "heartbeat": {
    "blockNumber": 41540,
    "sessionIndex": 692,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x688d6fb71498721f17844a8a090dac79220c3f10f8fc55c4954303f06ff2d647e13b0be22e7ca4e6e98792cc81671c15531777d5bb35bae070214cc55312fa8e"
}