{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950482,-0.310779,0.000000,0.000000,0.173808,-0.531573,0.828988,0.000000,-0.257089,0.786277,0.561849,0.000000,-1641481.445560,5020290.228839,3563324.708138,1],    "boundingVolume": {    "region": [1.886760,0.596569,1.886857,0.596668,0.000000,10.607635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1328877.b3dm"}}}