{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950431,-0.310935,0.000000,0.000000,0.173524,-0.530410,0.829792,0.000000,-0.257469,0.787004,0.560655,0.000000,-1643905.247700,5024910.129262,3555738.460962,1],    "boundingVolume": {    "region": [1.886923,0.595118,1.887022,0.595235,0.000000,8.322961]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1345825.b3dm"}}}