{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949154,-0.314812,0.000000,0.000000,0.115877,-0.349366,0.929794,0.000000,-0.292442,0.881710,0.370223,0.000000,-1866094.084816,5626247.924918,2346603.372233,1],    "boundingVolume": {    "region": [1.891001,0.379192,1.891109,0.379307,0.000000,55.479736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15_6663.b3dm"}}}