{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949501,-0.313765,0.000000,0.000000,0.175487,-0.531050,0.828970,0.000000,-0.259553,0.785448,0.561876,0.000000,-1657215.669207,5014994.947127,3563497.147059,1],    "boundingVolume": {    "region": [1.889901,0.596641,1.890002,0.596662,0.000000,8.394927]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/12_1336931.b3dm"}}}