{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949893,-0.312574,0.000000,0.000000,0.174457,-0.530165,0.829753,0.000000,-0.258815,0.786522,0.560712,0.000000,-1652495.408632,5021832.524507,3556102.060708,1],    "boundingVolume": {    "region": [1.888616,0.595180,1.888780,0.595311,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356484.b3dm"}}}