{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311206,0.000000,0.000000,0.174182,-0.531907,0.828695,0.000000,-0.257351,0.785881,0.562283,0.000000,-1643156.598292,5017768.315510,3566085.134173,1],    "boundingVolume": {    "region": [1.887210,0.597095,1.887307,0.597193,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1385533.b3dm"}}}