{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949560,-0.313586,0.000000,0.000000,0.175082,-0.530161,0.829623,0.000000,-0.259612,0.786122,0.560905,0.000000,-1657584.999346,5019280.714225,3557327.533048,1],    "boundingVolume": {    "region": [1.889682,0.595346,1.889845,0.595611,0.000000,8.602500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1367613.b3dm"}}}