{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950683,-0.310165,0.000000,0.000000,0.173299,-0.531177,0.829348,0.000000,-0.256693,0.786788,0.561314,0.000000,-1638953.143995,5023542.878776,3559925.702439,1],    "boundingVolume": {    "region": [1.886105,0.595915,1.886220,0.596030,0.000000,8.651722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1342793.b3dm"}}}