{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898001,-0.439994,0.000000,0.000000,0.283756,-0.579129,0.764259,0.000000,-0.335328,0.684383,0.647437,0.000000,-2141775.130406,4371228.343956,4107564.276969,1],    "boundingVolume": {    "region": [2.026322,0.704105,2.026455,0.704328,0.000000,16.473421]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1850421.b3dm"}}}