{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899078,-0.437789,0.000000,0.000000,0.282755,-0.580689,0.763446,0.000000,-0.333289,0.684469,0.648398,0.000000,-2128761.872394,4371794.518015,4113680.702659,1],    "boundingVolume": {    "region": [2.023851,0.705419,2.024017,0.705538,0.000000,10.690222]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827766.b3dm"}}}