Extrinsic 46720-1

{
  "heartbeat": {
    "blockNumber": 46718,
    "sessionIndex": 778,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x08452c42c4fd391ba8dbd0d933582b370f056002df8716a597f2c53e6cf41b3a8c8c041b7914615c146a9800f1651234927a70e7b339c8e0b48a79f23eb84287"
}