Extrinsic 57523-1

{
  "heartbeat": {
    "blockNumber": 57522,
    "sessionIndex": 958,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x96fa17aada4dd630c310a6836d808859116045173efd62398305392586bbbd4dbfde7b1482947f6c979838b73628f3eff521350afd78f78daa371da2af00158e"
}