{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898028,-0.439939,0.000000,0.000000,0.284386,-0.580506,0.762979,0.000000,-0.334719,0.683249,0.648949,0.000000,-2137902.047224,4364008.935975,4117182.282164,1],    "boundingVolume": {    "region": [2.026260,0.706090,2.026393,0.706313,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820866.b3dm"}}}