{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950741,-0.309987,0.000000,0.000000,0.171752,-0.526769,0.832476,0.000000,-0.257523,0.789831,0.556641,0.000000,-1644222.060532,5042881.965108,3530228.860532,1],    "boundingVolume": {    "region": [1.885891,0.590275,1.886061,0.590399,0.000000,6.470423]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/16_1322939.b3dm"}}}