{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898248,-0.439488,0.000000,0.000000,0.284221,-0.580906,0.762736,0.000000,-0.334270,0.683197,0.649235,0.000000,-2135031.715911,4363685.515860,4119001.868290,1],    "boundingVolume": {    "region": [2.025775,0.706540,2.025876,0.706615,0.000000,4.489943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1822349.b3dm"}}}