{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950199,-0.311644,0.000000,0.000000,0.174182,-0.531080,0.829225,0.000000,-0.257879,0.786270,0.561497,0.000000,-1646523.449320,5020236.900666,3561087.991249,1],    "boundingVolume": {    "region": [1.887650,0.596089,1.887788,0.596298,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432139.b3dm"}}}