{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950735,-0.310005,0.000000,0.000000,0.173529,-0.532186,0.828653,0.000000,-0.256344,0.786166,0.562344,0.000000,-1636730.112468,5019588.458936,3566476.285925,1],    "boundingVolume": {    "region": [1.885912,0.597134,1.886077,0.597303,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383435.b3dm"}}}