{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950619,-0.310360,0.000000,0.000000,0.173285,-0.530765,0.829615,0.000000,-0.256938,0.786991,0.560918,0.000000,-1640515.242884,5024828.010278,3557408.525465,1],    "boundingVolume": {    "region": [1.886310,0.595437,1.886426,0.595551,0.000000,8.777683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1451516.b3dm"}}}