{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950554,-0.310561,0.000000,0.000000,0.173564,-0.531239,0.829253,0.000000,-0.256991,0.786590,0.561455,0.000000,-1640857.873468,5022279.823510,3560824.225245,1],    "boundingVolume": {    "region": [1.886530,0.596094,1.886628,0.596193,0.000000,7.509323]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1342401.b3dm"}}}