{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895047,-0.445973,0.000000,0.000000,0.284286,-0.570549,0.770490,0.000000,-0.342677,0.687737,0.639992,0.000000,-2188644.847742,4392509.925630,4060199.476553,1],    "boundingVolume": {    "region": [2.032990,0.694425,2.033124,0.694550,0.000000,29.774752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_978200.b3dm"}}}