{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949903,-0.312545,0.000000,0.000000,0.174705,-0.530973,0.829184,0.000000,-0.258611,0.785985,0.561558,0.000000,-1651200.121204,5018421.604538,3561478.583233,1],    "boundingVolume": {    "region": [1.888581,0.596165,1.888752,0.596370,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439649.b3dm"}}}