{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898016,-0.439963,0.000000,0.000000,0.284398,-0.580489,0.762988,0.000000,-0.334742,0.683247,0.648938,0.000000,-2138048.942523,4364001.627012,4117114.207546,1],    "boundingVolume": {    "region": [2.026288,0.706076,2.026421,0.706299,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820701.b3dm"}}}