{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950303,-0.311327,0.000000,0.000000,0.173680,-0.530144,0.829929,0.000000,-0.257837,0.787029,0.560450,0.000000,-1646253.924188,5025067.305164,3554438.236134,1],    "boundingVolume": {    "region": [1.887336,0.594871,1.887435,0.594988,0.000000,8.725957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346484.b3dm"}}}