{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950020,-0.312190,0.000000,0.000000,0.174080,-0.529739,0.830104,0.000000,-0.258607,0.786962,0.560190,0.000000,-1651167.748152,5024634.716600,3552781.301555,1],    "boundingVolume": {    "region": [1.888212,0.594549,1.888376,0.594680,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460536.b3dm"}}}