Extrinsic 34587-1

{
  "heartbeat": {
    "blockNumber": 34585,
    "sessionIndex": 576,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x64111d803ea0c5528dfd85edb88b307e936d00213fe1c3f1e66f33557aadb065e867e81e8392e7760080b31a8c21c7f748d2dc1c1319c98b35ed57796933df84"
}