Extrinsic 27671-1

{
  "heartbeat": {
    "blockNumber": 27670,
    "sessionIndex": 461,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x606cd1d69393d7b8963d3538e932e4f0df28ed0b795953a0b3f9ce98e82378465453457017dd6d9686be012ae51bca426fa5916c3ab302dac00ea982377bb38e"
}