Extrinsic 32554-1

{
  "heartbeat": {
    "blockNumber": 32552,
    "sessionIndex": 542,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb81b55313d6c199e6990582bd1c9f4a7dcf4eea38d8c64ae52bfe3427125a8483cf46a139ad2819359572448a0223ade63413200ac1828bacf78bc802968578c"
}