Extrinsic 25779-1

{
  "heartbeat": {
    "blockNumber": 25778,
    "sessionIndex": 429,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x28563503265c971aec18687a0b6b34d00de80f27dd4dc1d03bcf7f786016d24126ea12edb20c2236adf513243d4de6e046f7bc07203eb3f407fd78ea8147658d"
}