{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942703,-0.333633,0.000000,0.000000,0.186874,-0.528027,0.828412,0.000000,-0.275801,0.779295,0.562702,0.000000,-1760961.210898,4975724.399893,3568750.454483,1],    "boundingVolume": {    "region": [1.910915,0.597633,1.910987,0.597670,0.000000,8.577744]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/15.b3dm"}}}