{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898735,-0.438491,0.000000,0.000000,0.283618,-0.581306,0.762656,0.000000,-0.333476,0.683495,0.649329,0.000000,-2129963.273760,4365589.672997,4119604.097664,1],    "boundingVolume": {    "region": [2.024665,0.706665,2.024766,0.706740,0.000000,14.047537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/8_1819752.b3dm"}}}