Extrinsic 149852-1

{
  "heartbeat": {
    "blockNumber": 149851,
    "sessionIndex": 2497,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x045e2ec9288bde27ea36cc2d35db5da5f8ceef72110f67a610ddd2733002d91692ec1ac7152c8e694580ee953fd1498cf6954c42190851028be3fbd4a16b7083"
}