{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898021,-0.439953,0.000000,0.000000,0.284389,-0.580488,0.762992,0.000000,-0.334736,0.683255,0.648934,0.000000,-2138007.457948,4364047.454237,4117087.355911,1],    "boundingVolume": {    "region": [2.026276,0.706071,2.026409,0.706293,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820633.b3dm"}}}