Extrinsic 25753-1

{
  "heartbeat": {
    "blockNumber": 25752,
    "sessionIndex": 429,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xde67abf7147b5e3ca55a33c0d81b4af67e0d45a7bcd60b561b834f77ef1ff105f463d53807ab8a66e4a291fce534e9c5c4175db2b62f60106af7b1f9b4eaba86"
}