{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948837,-0.315768,0.000000,0.000000,0.176403,-0.530066,0.829405,0.000000,-0.261348,0.785314,0.561230,0.000000,-1668674.471574,5014128.896679,3559393.755760,1],    "boundingVolume": {    "region": [1.891993,0.595818,1.892131,0.595924,0.000000,8.775112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1069258.b3dm"}}}