{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314997,0.000000,0.000000,0.116035,-0.349616,0.929680,0.000000,-0.292578,0.881544,0.370512,0.000000,-1866958.107848,5625191.802543,2348434.986208,1],    "boundingVolume": {    "region": [1.891195,0.379502,1.891304,0.379618,0.000000,35.070610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/18_7539.b3dm"}}}