{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943332,-0.331850,0.000000,0.000000,0.186103,-0.529025,0.827949,0.000000,-0.274172,0.779375,0.563387,0.000000,-1750568.604865,4976248.472429,3573100.727272,1],    "boundingVolume": {    "region": [1.908988,0.598431,1.909133,0.598528,0.000000,8.381739]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_568793.b3dm"}}}