{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898025,-0.439945,0.000000,0.000000,0.284391,-0.580504,0.762979,0.000000,-0.334724,0.683246,0.648949,0.000000,-2137931.801852,4363993.395209,4117183.297139,1],    "boundingVolume": {    "region": [2.026267,0.706091,2.026400,0.706313,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820865.b3dm"}}}