Extrinsic 149915-1

{
  "heartbeat": {
    "blockNumber": 149914,
    "sessionIndex": 2498,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc4429c551034bd3580e413ef6acd23f129544e3087235e225eb2cea2eb274c5ae0be42c0569e46fe20c85e9eafdcd7f92f3cf27a95401a5966090e5d8d49af8e"
}