{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898176,-0.439636,0.000000,0.000000,0.283866,-0.579938,0.763604,0.000000,-0.334765,0.683926,0.648211,0.000000,-2138188.983556,4368318.995062,4112491.495248,1],    "boundingVolume": {    "region": [2.025923,0.705122,2.026056,0.705344,0.000000,28.277042]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1844723.b3dm"}}}