{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948859,-0.315699,0.000000,0.000000,0.176362,-0.530069,0.829411,0.000000,-0.261294,0.785339,0.561220,0.000000,-1668327.926363,5014289.342726,3559330.602872,1],    "boundingVolume": {    "region": [1.891921,0.595806,1.892059,0.595912,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147533.b3dm"}}}