{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951981,-0.306156,0.000000,0.000000,0.169740,-0.527799,0.832236,0.000000,-0.254266,0.790631,0.557002,0.000000,-1623432.543188,5047998.432919,3532521.757128,1],    "boundingVolume": {    "region": [1.881895,0.590728,1.882003,0.590815,0.000000,7.378661]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/28/32_1321735.b3dm"}}}