{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950069,-0.312039,0.000000,0.000000,0.174015,-0.529827,0.830061,0.000000,-0.258469,0.786963,0.560253,0.000000,-1650283.467123,5024637.245384,3553185.838285,1],    "boundingVolume": {    "region": [1.888053,0.594626,1.888217,0.594757,0.000000,8.055382]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1376928.b3dm"}}}