{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950672,-0.310199,0.000000,0.000000,0.173514,-0.531773,0.828921,0.000000,-0.256588,0.786370,0.561947,0.000000,-1638286.105592,5020885.268434,3563952.565941,1],    "boundingVolume": {    "region": [1.886116,0.596654,1.886281,0.596823,0.000000,8.576281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1394996.b3dm"}}}