{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898118,-0.439755,0.000000,0.000000,0.284363,-0.580758,0.762796,0.000000,-0.334499,0.683152,0.649164,0.000000,-2136494.068960,4363393.981611,4118555.443231,1],    "boundingVolume": {    "region": [2.026056,0.706374,2.026188,0.706597,0.000000,24.662203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821987.b3dm"}}}