Extrinsic 77808-1

{
  "heartbeat": {
    "blockNumber": 77807,
    "sessionIndex": 1296,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5afc0bc2e1406f8816c907eaa0ba1175b36f7bdf8acd1130f2e3d3fa401a596b1f779de53577ffaf53a80164eec86f0cf36a3f7ede5ed97334c07a0956887c85"
}