{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950704,-0.310100,0.000000,0.000000,0.173222,-0.531063,0.829438,0.000000,-0.256668,0.786891,0.561181,0.000000,-1638791.026543,5024197.133483,3559082.614293,1],    "boundingVolume": {    "region": [1.886037,0.595755,1.886153,0.595869,0.000000,8.784505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1343461.b3dm"}}}