{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943298,-0.331948,0.000000,0.000000,0.186136,-0.528944,0.827993,0.000000,-0.274268,0.779388,0.563322,0.000000,-1751181.911266,4976332.075787,3572686.529688,1],    "boundingVolume": {    "region": [1.909092,0.598352,1.909237,0.598449,0.000000,8.123116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_545531.b3dm"}}}