Extrinsic 34488-1

{
  "heartbeat": {
    "blockNumber": 34486,
    "sessionIndex": 574,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x2286d24a175d3d544c378e57dba4c299449f47b1928fa7291520575306681b25b78844f47cfd5ef632a8ea5f3bd35bd332efb8555af7313ab07b4305c35ef781"
}