Extrinsic 45033-2

{
  "heartbeat": {
    "blockNumber": 45032,
    "sessionIndex": 750,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x00c6c24e8a843ca295c3ac9267a4ccef1d1cabcd822de8bd32eea68767dda36d439f4ca1f0831921adfc7e20ab1157401604b1766e99fd7378a63cd42c996388"
}