{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949739,-0.313044,0.000000,0.000000,0.175013,-0.530969,0.829121,0.000000,-0.259004,0.785790,0.561651,0.000000,-1653712.558983,5017173.789556,3562066.904601,1],    "boundingVolume": {    "region": [1.889116,0.596295,1.889269,0.596464,0.000000,9.258883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335843.b3dm"}}}