{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310327,0.000000,0.000000,0.173361,-0.531061,0.829409,0.000000,-0.256846,0.786803,0.561223,0.000000,-1639931.812451,5023633.600797,3559350.804466,1],    "boundingVolume": {    "region": [1.886275,0.595806,1.886391,0.595920,0.000000,8.820635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425586.b3dm"}}}