{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949027,-0.315194,0.000000,0.000000,0.176161,-0.530408,0.829237,0.000000,-0.260820,0.785312,0.561478,0.000000,-1665306.981245,5014119.896780,3560972.556630,1],    "boundingVolume": {    "region": [1.891389,0.596118,1.891526,0.596225,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1146600.b3dm"}}}