Extrinsic 137232-1

{
  "heartbeat": {
    "blockNumber": 137231,
    "sessionIndex": 2287,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6ab17e2d07ca9746bdb81f30e7569998eb9a977696b2e880dfe1fcbde2d0407409a5a7aaa44d68e123efa4d2a3cff808f90c0997ece45a812c24636e4150ff8c"
}