{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897941,-0.440116,0.000000,0.000000,0.282495,-0.576357,0.766818,0.000000,-0.336553,0.686647,0.644398,0.000000,-2149569.023336,4385627.001913,4088229.326225,1],    "boundingVolume": {    "region": [2.026461,0.700201,2.026588,0.700270,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883910.b3dm"}}}