{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857788,-0.514004,0.000000,0.000000,0.263121,-0.439106,0.859042,0.000000,-0.440771,0.735574,0.514444,0.000000,-2813789.402726,4695750.672457,3262120.251774,1],    "boundingVolume": {    "region": [2.110560,0.540297,2.110725,0.540422,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_388884.b3dm"}}}