{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949620,-0.313404,0.000000,0.000000,0.175271,-0.531072,0.829001,0.000000,-0.259265,0.785576,0.561830,0.000000,-1655375.921951,5015812.392761,3563203.713297,1],    "boundingVolume": {    "region": [1.889496,0.596512,1.889649,0.596680,0.000000,13.168907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411791.b3dm"}}}