Extrinsic 22588-1

{
  "heartbeat": {
    "blockNumber": 22586,
    "sessionIndex": 376,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x2671238835e7032aa99c1aa49938ce59ea04619ff5e71910249bf1a9b0198b733bc9af447f99e487e667b51bf2b9e57782d148b466d8a87aeea5b2e80a3c2b81"
}