{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896594,-0.442853,0.000000,0.000000,0.282880,-0.572714,0.769401,0.000000,-0.339796,0.687945,0.641304,0.000000,-2170252.957638,4393859.984565,4068546.272761,1],    "boundingVolume": {    "region": [2.029484,0.696140,2.029666,0.696253,0.000000,45.817511]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_494442.b3dm"}}}