Extrinsic 13028-1

{
  "heartbeat": {
    "blockNumber": 13027,
    "sessionIndex": 217,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x80119fbeb9819b726f727131252b475b70f4813b9f1faa0370428238e790cb4b7b46cf4f5a49b1fd11ce6e5cb30ffd191e1804031a60e5d3bfd5b82c1042c481"
}