{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898940,-0.438071,0.000000,0.000000,0.282947,-0.580619,0.763429,0.000000,-0.333497,0.684349,0.648419,0.000000,-2130087.090826,4371026.232493,4113810.255384,1],    "boundingVolume": {    "region": [2.024166,0.705446,2.024331,0.705565,0.000000,18.352327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1827878.b3dm"}}}