{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948854,-0.315715,0.000000,0.000000,0.176378,-0.530089,0.829395,0.000000,-0.261302,0.785319,0.561245,0.000000,-1668377.260945,5014161.762107,3559486.156533,1],    "boundingVolume": {    "region": [1.891938,0.595836,1.892075,0.595942,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147923.b3dm"}}}