Extrinsic 152745-1

{
  "heartbeat": {
    "blockNumber": 152744,
    "sessionIndex": 2545,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2af1997d18a739424b2cfdc279984c1aa113c1bf2bc845bd57b858fd7da0a4252bca371fe5b0bfbb4c40189f58e912d0d7455b8f661e3c3a14488f8f0f6c9e88"
}