{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943828,-0.330438,0.000000,0.000000,0.183990,-0.525528,0.830643,0.000000,-0.273902,0.782345,0.559387,0.000000,-1748819.834102,4995140.121045,3547677.065223,1],    "boundingVolume": {    "region": [1.907526,0.593560,1.907602,0.593731,0.000000,8.722524]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9.b3dm"}}}