{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948745,-0.316041,0.000000,0.000000,0.176368,-0.529453,0.829804,0.000000,-0.261702,0.785620,0.560637,0.000000,-1670927.152682,5016070.334975,3555624.918366,1],    "boundingVolume": {    "region": [1.892302,0.595043,1.892398,0.595267,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178932.b3dm"}}}