Extrinsic 14506-1

{
  "heartbeat": {
    "blockNumber": 14504,
    "sessionIndex": 241,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xa0fed841769d36d333b5ae38466307a86893034d79369e91814ea50ec07e822809a2e825ac5f5f81b6250baee9ac48522d29e3cc85677414f5b636ab0b467d82"
}