Extrinsic 77378-1

{
  "heartbeat": {
    "blockNumber": 77377,
    "sessionIndex": 1289,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2041f6067ed27cfef7be9245779780d1a8824441243164a6d294d8c99a32da4cd68c327b70ac00d4234d028b60f35e86b0eb6bfb8573d8b0a53c360f4de84389"
}