{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950548,-0.310577,0.000000,0.000000,0.173853,-0.532093,0.828644,0.000000,-0.256814,0.786003,0.562358,0.000000,-1639733.818533,5018548.702554,3566559.237266,1],    "boundingVolume": {    "region": [1.886547,0.597185,1.886645,0.597283,0.000000,12.701871]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1325136.b3dm"}}}