{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892504,-0.451039,0.000000,0.000000,0.290849,-0.575524,0.764316,0.000000,-0.343771,0.680245,0.647370,0.000000,-2195700.296110,4344795.592171,4107139.784176,1],    "boundingVolume": {    "region": [2.038673,0.704094,2.038778,0.704163,0.000000,15.521666]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1966248.b3dm"}}}