{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950295,-0.311351,0.000000,0.000000,0.174271,-0.531903,0.828679,0.000000,-0.257465,0.785826,0.562307,0.000000,-1643890.720582,5017418.791268,3566237.555743,1],    "boundingVolume": {    "region": [1.887335,0.597080,1.887487,0.597266,0.000000,8.645545]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_1385644.b3dm"}}}