{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950069,-0.312041,0.000000,0.000000,0.174011,-0.529809,0.830074,0.000000,-0.258474,0.786974,0.560235,0.000000,-1650318.386072,5024708.009160,3553070.327245,1],    "boundingVolume": {    "region": [1.888055,0.594604,1.888219,0.594735,0.000000,11.432766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1459222.b3dm"}}}