{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950064,-0.312054,0.000000,0.000000,0.174412,-0.531007,0.829223,0.000000,-0.258217,0.786157,0.561499,0.000000,-1648686.276046,5019515.476666,3561104.162455,1],    "boundingVolume": {    "region": [1.888081,0.596092,1.888219,0.596301,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1348795.b3dm"}}}