Extrinsic 34298-1

{
  "heartbeat": {
    "blockNumber": 34296,
    "sessionIndex": 571,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe8fddddaf263ee3082974799a250651df2c90b46753790de5e6d58a57473fa02f9e482fc5eff971c4465c3c2402a609434d85b3138ee84c557962c0b2b9d6a82"
}