Extrinsic 13869-1

{
  "heartbeat": {
    "blockNumber": 13867,
    "sessionIndex": 231,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x8e83ebd40ee916a6d4dbd38faa8c24189a261acba5507c4b49db4014a15b0575e45326e71df6d2ecae4296b61262714a9c21b098a5850d54f4eda6f21a54c787"
}