{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950145,-0.311810,0.000000,0.000000,0.173943,-0.530038,0.829942,0.000000,-0.258241,0.786910,0.560432,0.000000,-1648829.876028,5024307.573978,3554319.025094,1],    "boundingVolume": {    "region": [1.887811,0.594841,1.887975,0.594972,0.000000,8.809282]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1452267.b3dm"}}}