{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896548,-0.442946,0.000000,0.000000,0.283394,-0.573607,0.768546,0.000000,-0.339486,0.687139,0.642331,0.000000,-2168281.821552,4388732.072982,4075082.604297,1],    "boundingVolume": {    "region": [2.029594,0.697462,2.029762,0.697611,0.000000,54.447447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_939139.b3dm"}}}