{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950528,-0.310639,0.000000,0.000000,0.173545,-0.531031,0.829390,0.000000,-0.257099,0.786700,0.561252,0.000000,-1641542.969941,5022978.339345,3559531.662586,1],    "boundingVolume": {    "region": [1.886604,0.595840,1.886719,0.595955,0.000000,8.559881]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1343066.b3dm"}}}