Extrinsic 25165-1

{
  "heartbeat": {
    "blockNumber": 25164,
    "sessionIndex": 419,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x469400c7526debfe91a38003ed626ebb2d35f75a83aeab804e31433d244cf74698ae6e560f94bb8ab5a40d80425dca3de422ad4fff89b200b22a017b0ff4b585"
}