{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948843,-0.315749,0.000000,0.000000,0.176525,-0.530469,0.829121,0.000000,-0.261242,0.785048,0.561651,0.000000,-1668001.407566,5012440.006196,3562068.933419,1],    "boundingVolume": {    "region": [1.891973,0.596327,1.892111,0.596433,0.000000,8.797005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112332.b3dm"}}}