{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950682,-0.310168,0.000000,0.000000,0.173311,-0.531206,0.829327,0.000000,-0.256689,0.786767,0.561345,0.000000,-1638928.734761,5023407.444488,3560126.693584,1],    "boundingVolume": {    "region": [1.886108,0.595953,1.886224,0.596068,0.000000,8.808873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426653.b3dm"}}}