{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315013,0.000000,0.000000,0.116177,-0.350025,0.929508,0.000000,-0.292538,0.881374,0.370946,0.000000,-1866707.226275,5624116.209685,2351190.336219,1],    "boundingVolume": {    "region": [1.891212,0.379970,1.891321,0.380085,0.000000,71.898350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_2049.b3dm"}}}