{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311571,0.000000,0.000000,0.173867,-0.530258,0.829817,0.000000,-0.258004,0.786856,0.560617,0.000000,-1647318.412917,5023966.281265,3555494.175521,1],    "boundingVolume": {    "region": [1.887592,0.595072,1.887692,0.595189,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453481.b3dm"}}}