{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949604,-0.313453,0.000000,0.000000,0.175239,-0.530887,0.829126,0.000000,-0.259344,0.785682,0.561644,0.000000,-1655882.769474,5016489.827830,3562022.304479,1],    "boundingVolume": {    "region": [1.889574,0.596330,1.889673,0.596412,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1338142.b3dm"}}}