{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312768,0.000000,0.000000,0.174584,-0.530185,0.829714,0.000000,-0.258963,0.786431,0.560771,0.000000,-1653439.694874,5021255.541550,3556475.349851,1],    "boundingVolume": {    "region": [1.888820,0.595251,1.888984,0.595382,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355940.b3dm"}}}