{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950191,-0.311669,0.000000,0.000000,0.174441,-0.531822,0.828695,0.000000,-0.257733,0.785756,0.562283,0.000000,-1645598.008351,5016969.104741,3566083.835001,1],    "boundingVolume": {    "region": [1.887669,0.597051,1.887821,0.597236,0.000000,8.757294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1385535.b3dm"}}}