{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949134,-0.314872,0.000000,0.000000,0.116120,-0.350027,0.929514,0.000000,-0.292410,0.881423,0.370930,0.000000,-1865888.353866,5624430.597074,2351088.966398,1],    "boundingVolume": {    "region": [1.891064,0.379953,1.891173,0.380068,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1816.b3dm"}}}