{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950027,-0.312167,0.000000,0.000000,0.174303,-0.530461,0.829596,0.000000,-0.258428,0.786482,0.560946,0.000000,-1650028.293740,5021584.060274,3557588.193171,1],    "boundingVolume": {    "region": [1.888187,0.595462,1.888351,0.595594,0.000000,8.648772]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1354599.b3dm"}}}