{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949036,-0.315169,0.000000,0.000000,0.116353,-0.350363,0.929359,0.000000,-0.292635,0.881183,0.371324,0.000000,-1867328.820813,5622901.715526,2353584.176288,1],    "boundingVolume": {    "region": [1.891376,0.380376,1.891485,0.380492,0.000000,9.453515]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/26_71563.b3dm"}}}