{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950070,-0.312037,0.000000,0.000000,0.173984,-0.529737,0.830126,0.000000,-0.258487,0.787025,0.560158,0.000000,-1650399.327923,5025031.277166,3552578.832610,1],    "boundingVolume": {    "region": [1.888051,0.594511,1.888214,0.594642,0.000000,11.279145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1458482.b3dm"}}}