{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950392,-0.311054,0.000000,0.000000,0.173925,-0.531408,0.829069,0.000000,-0.257342,0.786280,0.561728,0.000000,-1643098.027402,5020308.944586,3562558.360298,1],    "boundingVolume": {    "region": [1.887049,0.596424,1.887147,0.596522,0.000000,8.767603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_1330812.b3dm"}}}