{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950556,-0.310555,0.000000,0.000000,0.173851,-0.532129,0.828622,0.000000,-0.256789,0.785987,0.562391,0.000000,-1639569.942480,5018449.731196,3566772.395326,1],    "boundingVolume": {    "region": [1.886524,0.597225,1.886622,0.597324,0.000000,13.985162]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1385058.b3dm"}}}