{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311567,0.000000,0.000000,0.173865,-0.530259,0.829817,0.000000,-0.258001,0.786857,0.560617,0.000000,-1647297.520000,5023970.602700,3555497.725309,1],    "boundingVolume": {    "region": [1.887588,0.595072,1.887688,0.595189,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453486.b3dm"}}}