{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942954,-0.332922,0.000000,0.000000,0.186376,-0.527884,0.828615,0.000000,-0.275281,0.779695,0.562402,0.000000,-1757641.964170,4978276.888808,3566839.405327,1],    "boundingVolume": {    "region": [1.910134,0.597248,1.910259,0.597327,0.000000,8.753691]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_1256144.b3dm"}}}