Extrinsic 57936-1

{
  "heartbeat": {
    "blockNumber": 57935,
    "sessionIndex": 965,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6a01944af9b44dae8ea5c57ff111312e00df4305409165466155e800bf054610a3c3091907f973d79b3e1223f2728c9c3582c5410327c122f23d79945914e481"
}