{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950017,-0.312197,0.000000,0.000000,0.174256,-0.530262,0.829733,0.000000,-0.258496,0.786605,0.560742,0.000000,-1650463.259497,5022363.949383,3556294.002802,1],    "boundingVolume": {    "region": [1.888219,0.595217,1.888383,0.595348,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456756.b3dm"}}}