{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950743,-0.309979,0.000000,0.000000,0.173386,-0.531798,0.828932,0.000000,-0.256409,0.786440,0.561931,0.000000,-1637145.882846,5021330.342198,3563850.166141,1],    "boundingVolume": {    "region": [1.885884,0.596634,1.886050,0.596803,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387010.b3dm"}}}