{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950885,-0.309544,0.000000,0.000000,0.172968,-0.531340,0.829313,0.000000,-0.256168,0.786921,0.561367,0.000000,-1635603.768095,5024394.685259,3560261.746693,1],    "boundingVolume": {    "region": [1.885437,0.595926,1.885583,0.596146,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422703.b3dm"}}}