Extrinsic 24555-1

{
  "heartbeat": {
    "blockNumber": 24553,
    "sessionIndex": 409,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xba85c29fbc32cd592a79f4485973cf377c818451d4077b57568c23baa0cf69036b08d97010c2747131b34c724bea2754856df736e276656e911fb887a8526486"
}