{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950564,-0.310528,0.000000,0.000000,0.173642,-0.531538,0.829045,0.000000,-0.256899,0.786399,0.561764,0.000000,-1640273.444974,5021069.166777,3562787.049974,1],    "boundingVolume": {    "region": [1.886496,0.596467,1.886594,0.596566,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390106.b3dm"}}}