Extrinsic 43228-1

{
  "heartbeat": {
    "blockNumber": 43226,
    "sessionIndex": 720,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xbc7c39d278258c4662b3002b2515e1c3ce8a7cd248aa66e800ad7a0882bb7a7cf9432a5f43d481dc091eb8c5c90671e2d9564d78bbc9cb55d0ffd42168036786"
}