{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949898,-0.312559,0.000000,0.000000,0.174457,-0.530191,0.829736,0.000000,-0.258797,0.786510,0.560737,0.000000,-1652384.255389,5021754.291630,3556263.099626,1],    "boundingVolume": {    "region": [1.888601,0.595211,1.888765,0.595342,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356242.b3dm"}}}