{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944031,-0.329857,0.000000,0.000000,0.184298,-0.527450,0.829355,0.000000,-0.272993,0.781289,0.561303,0.000000,-1743027.471283,4988434.108240,3559860.249055,1],    "boundingVolume": {    "region": [1.906901,0.595902,1.906997,0.596017,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1266942.b3dm"}}}