{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950276,-0.311410,0.000000,0.000000,0.173850,-0.530507,0.829662,0.000000,-0.257822,0.786751,0.560848,0.000000,-1646160.128455,5023296.890887,3556966.206971,1],    "boundingVolume": {    "region": [1.887423,0.595351,1.887523,0.595468,0.000000,8.794783]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1454748.b3dm"}}}