Extrinsic 151364-1

{
  "heartbeat": {
    "blockNumber": 151362,
    "sessionIndex": 2522,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x686892bb74bcb83e881440eb5fcd0be15abf431930d4d7e65d93348634008557bf3f9fcb09472d5ade1bf7ced551857edabdaf54c195f36d489e95bccd66b28a"
}