Extrinsic 143689-1

{
  "heartbeat": {
    "blockNumber": 143687,
    "sessionIndex": 2394,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xf8568cd85707c9616a7b11428bccb22cfb285516cc74af66e127ad48548e1055b3fd19e765c2845427da907397979a82b8e5ed681d9f84b9d49fb32764946286"
}