{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898448,-0.439080,0.000000,0.000000,0.283976,-0.581072,0.762701,0.000000,-0.333944,0.683317,0.649276,0.000000,-2132951.077534,4364452.161260,4119265.769636,1],    "boundingVolume": {    "region": [2.025321,0.706595,2.025422,0.706670,0.000000,10.404228]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819469.b3dm"}}}