{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943853,-0.330365,0.000000,0.000000,0.184375,-0.526761,0.829776,0.000000,-0.273553,0.781543,0.560678,0.000000,-1746599.356483,4990038.799173,3555885.082036,1],    "boundingVolume": {    "region": [1.907439,0.595147,1.907534,0.595262,0.000000,8.055060]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/2_1276400.b3dm"}}}