{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950758,-0.309934,0.000000,0.000000,0.173366,-0.531818,0.828923,0.000000,-0.256370,0.786443,0.561944,0.000000,-1636894.674284,5021353.473084,3563932.410514,1],    "boundingVolume": {    "region": [1.885838,0.596650,1.886003,0.596819,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387142.b3dm"}}}