{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951188,-0.308612,0.000000,0.000000,0.170943,-0.526870,0.832578,0.000000,-0.256412,0.790300,0.556487,0.000000,-1637130.341751,5045876.672872,3529252.021010,1],    "boundingVolume": {    "region": [1.884445,0.590090,1.884615,0.590214,0.000000,6.621946]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1463008.b3dm"}}}