{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949202,-0.314667,0.000000,0.000000,0.175502,-0.529406,0.830017,0.000000,-0.260631,0.786202,0.560320,0.000000,-1664090.744083,5019780.382130,3553608.201811,1],    "boundingVolume": {    "region": [1.890855,0.594677,1.890949,0.594867,0.000000,11.832347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1379790.b3dm"}}}