Extrinsic 130126-1

{
  "heartbeat": {
    "blockNumber": 130125,
    "sessionIndex": 2168,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x023b839187b211b491d155f05e9aaa7c2c51ecbf605abcd6df92bf9fe0a3cc1332bcb6b936e1b3082c1db889de2a614ee2e9b5672243ea1a9a2e8d3790bcc680"
}