{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896553,-0.442937,0.000000,0.000000,0.283380,-0.573592,0.768563,0.000000,-0.339486,0.687158,0.642311,0.000000,-2168287.071693,4388851.603282,4074951.957153,1],    "boundingVolume": {    "region": [2.029584,0.697435,2.029752,0.697584,0.000000,50.947966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_503070.b3dm"}}}