{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950523,-0.310656,0.000000,0.000000,0.173542,-0.530991,0.829416,0.000000,-0.257121,0.786720,0.561213,0.000000,-1641683.203286,5023108.784434,3559284.567352,1],    "boundingVolume": {    "region": [1.886621,0.595793,1.886737,0.595908,0.000000,8.818020]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1425452.b3dm"}}}