{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950593,-0.310440,0.000000,0.000000,0.173590,-0.531549,0.829049,0.000000,-0.256827,0.786427,0.561758,0.000000,-1639811.442686,5021247.113259,3562749.190366,1],    "boundingVolume": {    "region": [1.886403,0.596460,1.886501,0.596559,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389969.b3dm"}}}