Extrinsic 126555-1

{
  "heartbeat": {
    "blockNumber": 126553,
    "sessionIndex": 2109,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x4ce9dc2a100577348dadf56249a630932264908704165ee668505ae5497c274f7b7a4e533a5468d0bc4ab2415d5375c6dfec4a8a484d4cf081d32bb414bbc488"
}