Extrinsic 30463-1

{
  "heartbeat": {
    "blockNumber": 30462,
    "sessionIndex": 507,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x140c3d60a2acbd94a8abe497856821565b661550c355ab6a583c970b0af68a04621d8b17959ac3ea696fed620a489bfc3b2db8cffef4bf57f86ce70292af9a8c"
}