Extrinsic 138942-1

{
  "heartbeat": {
    "blockNumber": 138941,
    "sessionIndex": 2315,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2c7a4122f0e0750f9f5b14f3056ae96081f0f5ae5ca1807da1d3dae800665039752d73870ffbb1b0214a4e1642ddb41173932df3a05ecab7357b695bd8673780"
}