{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949898,-0.312560,0.000000,0.000000,0.174447,-0.530160,0.829758,0.000000,-0.258805,0.786531,0.560705,0.000000,-1652432.227934,5021887.696964,3556053.830984,1],    "boundingVolume": {    "region": [1.888601,0.595171,1.888765,0.595302,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356552.b3dm"}}}