{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950350,-0.311184,0.000000,0.000000,0.173342,-0.529383,0.830485,0.000000,-0.257893,0.787600,0.559622,0.000000,-1646606.496712,5028697.385054,3549172.625167,1],    "boundingVolume": {    "region": [1.887153,0.593864,1.887317,0.593995,0.000000,5.130332]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1462450.b3dm"}}}