{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950172,-0.311726,0.000000,0.000000,0.174034,-0.530474,0.829644,0.000000,-0.258078,0.786649,0.560874,0.000000,-1647792.729779,5022644.860415,3557129.924025,1],    "boundingVolume": {    "region": [1.887755,0.595383,1.887855,0.595499,0.000000,8.761012]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1454997.b3dm"}}}