{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857979,-0.513685,0.000000,0.000000,0.262832,-0.438993,0.859188,0.000000,-0.440573,0.735864,0.514199,0.000000,-2812524.780927,4697598.643248,3260560.325336,1],    "boundingVolume": {    "region": [2.110189,0.540010,2.110353,0.540135,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351091.b3dm"}}}