{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950152,-0.311788,0.000000,0.000000,0.174483,-0.531725,0.828748,0.000000,-0.257848,0.785774,0.562204,0.000000,-1646332.053784,5017087.449123,3565581.880098,1],    "boundingVolume": {    "region": [1.887794,0.596956,1.887946,0.597141,0.000000,8.604945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1331957.b3dm"}}}