{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950234,-0.311536,0.000000,0.000000,0.173917,-0.530473,0.829669,0.000000,-0.257929,0.786724,0.560837,0.000000,-1646842.840358,5023124.700496,3556893.840417,1],    "boundingVolume": {    "region": [1.887556,0.595338,1.887656,0.595455,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454634.b3dm"}}}