{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895734,-0.444590,0.000000,0.000000,0.284121,-0.572431,0.769154,0.000000,-0.341018,0.687063,0.641601,0.000000,-2178061.765005,4388229.810226,4070436.662726,1],    "boundingVolume": {    "region": [2.031452,0.696525,2.031574,0.696643,0.000000,33.651999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_663129.b3dm"}}}