Extrinsic 23329-2

{
  "heartbeat": {
    "blockNumber": 23327,
    "sessionIndex": 388,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x3030ae778bf7bee638f8770af29121e2f344a33ad6a276ac075e49f38e0d8b1037d1ca2df74b55c21d973cc16083c0e8bfacb7da72db5cc2e1715ff5b6fbff87"
}