{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950636,-0.310308,0.000000,0.000000,0.173524,-0.531596,0.829033,0.000000,-0.256713,0.786447,0.561782,0.000000,-1639084.601026,5021373.703080,3562904.193820,1],    "boundingVolume": {    "region": [1.886265,0.596489,1.886362,0.596588,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390572.b3dm"}}}