{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942992,-0.332814,0.000000,0.000000,0.186581,-0.528656,0.828076,0.000000,-0.275012,0.779215,0.563198,0.000000,-1755927.486322,4975226.437193,3571902.346768,1],    "boundingVolume": {    "region": [1.910010,0.598202,1.910155,0.598300,0.000000,8.249506]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/4_545950.b3dm"}}}