{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.890923,-0.454154,0.000000,0.000000,0.292183,-0.573180,0.765567,0.000000,-0.346717,0.680161,0.645886,0.000000,-2214500.276426,4344228.264048,4097698.999754,1],    "boundingVolume": {    "region": [2.042171,0.702140,2.042267,0.702227,0.000000,11.317641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_1683507.b3dm"}}}