Extrinsic 149494-1

{
  "heartbeat": {
    "blockNumber": 149493,
    "sessionIndex": 2491,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x102f6c0a3233c53becb43831885bf47050bfcb792a209d5c1001152c09d0f21c243b34652ac6cb3261b18ee7c2794afee93501dbf44552ec1452c3a586f5dc86"
}