{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943954,-0.330076,0.000000,0.000000,0.184408,-0.527371,0.829381,0.000000,-0.273183,0.781251,0.561265,0.000000,-1744236.448577,4988187.843707,3559614.815450,1],    "boundingVolume": {    "region": [1.907132,0.595856,1.907228,0.595971,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271597.b3dm"}}}