{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312177,0.000000,0.000000,0.174220,-0.530190,0.829787,0.000000,-0.258496,0.786662,0.560662,0.000000,-1650462.167450,5022728.183960,3555783.505545,1],    "boundingVolume": {    "region": [1.888198,0.595120,1.888362,0.595251,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456635.b3dm"}}}