{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948837,-0.315767,0.000000,0.000000,0.176402,-0.530065,0.829405,0.000000,-0.261348,0.785315,0.561229,0.000000,-1668671.327538,5014133.093442,3559389.347422,1],    "boundingVolume": {    "region": [1.891992,0.595817,1.892130,0.595924,0.000000,8.775112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1069263.b3dm"}}}