{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949170,-0.314764,0.000000,0.000000,0.175838,-0.530239,0.829414,0.000000,-0.260520,0.785599,0.561216,0.000000,-1663387.149782,5015947.991316,3559306.131173,1],    "boundingVolume": {    "region": [1.890935,0.595801,1.891072,0.595908,0.000000,102.843694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1444885.b3dm"}}}