{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950392,-0.311055,0.000000,0.000000,0.173970,-0.531544,0.828973,0.000000,-0.257312,0.786188,0.561871,0.000000,-1642909.346606,5019720.446069,3563468.382747,1],    "boundingVolume": {    "region": [1.887050,0.596597,1.887148,0.596695,0.000000,8.497366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1328465.b3dm"}}}