Extrinsic 66617-1

{
  "heartbeat": {
    "blockNumber": 66615,
    "sessionIndex": 1110,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x26fe2803c0776f798d307749fefe91b2dcc42aa8f272fcede2f01e40e3113f2182f2e4102c29c0832dcc4831eab49ab57ea9dac9ca4fe26175bffb88f5365583"
}