{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949820,-0.312798,0.000000,0.000000,0.174624,-0.530249,0.829664,0.000000,-0.258972,0.786376,0.560845,0.000000,-1653501.547475,5020899.781792,3556945.658695,1],    "boundingVolume": {    "region": [1.888852,0.595340,1.889016,0.595472,0.000000,8.506593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1355500.b3dm"}}}