Extrinsic 25336-1

{
  "heartbeat": {
    "blockNumber": 25335,
    "sessionIndex": 422,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x5660af934f766d34e50e038fa6ce8e476c5163595ce27b8a9dd22e8ce7dfcd15846bfd69041224447d14249e3180088fa0e34e15e0e0d122da1e965c9a076187"
}