{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898734,-0.438495,0.000000,0.000000,0.283618,-0.581300,0.762660,0.000000,-0.333481,0.683498,0.649324,0.000000,-2129992.425755,4365608.112554,4119569.716002,1],    "boundingVolume": {    "region": [2.024669,0.706658,2.024770,0.706732,0.000000,14.047537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/8_1819737.b3dm"}}}