{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896303,-0.443442,0.000000,0.000000,0.283830,-0.573688,0.768325,0.000000,-0.339768,0.686752,0.642596,0.000000,-2170085.741686,4386265.128654,4076766.741840,1],    "boundingVolume": {    "region": [2.030165,0.697822,2.030298,0.697941,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_959910.b3dm"}}}