{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950227,-0.311558,0.000000,0.000000,0.174282,-0.531546,0.828906,0.000000,-0.257708,0.785987,0.561971,0.000000,-1645435.802589,5018440.931279,3564100.540812,1],    "boundingVolume": {    "region": [1.887553,0.596674,1.887705,0.596859,0.000000,8.746875]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400185.b3dm"}}}