{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950849,-0.309656,0.000000,0.000000,0.173022,-0.531291,0.829333,0.000000,-0.256267,0.786911,0.561336,0.000000,-1636235.668269,5024327.254729,3560067.853864,1],    "boundingVolume": {    "region": [1.885555,0.595890,1.885700,0.596109,0.000000,8.817076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1422487.b3dm"}}}