{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950825,-0.309727,0.000000,0.000000,0.173310,-0.532041,0.828792,0.000000,-0.256158,0.786373,0.562139,0.000000,-1635539.804097,5020911.234481,3565168.946411,1],    "boundingVolume": {    "region": [1.885620,0.596885,1.885785,0.597054,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388378.b3dm"}}}