{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896330,-0.443387,0.000000,0.000000,0.283746,-0.573607,0.768416,0.000000,-0.339766,0.686855,0.642487,0.000000,-2170075.297196,4386919.070783,4076073.275424,1],    "boundingVolume": {    "region": [2.030104,0.697680,2.030237,0.697799,0.000000,46.053164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_536623.b3dm"}}}