{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949086,-0.315017,0.000000,0.000000,0.116191,-0.350061,0.929493,0.000000,-0.292537,0.881358,0.370985,0.000000,-1866702.024779,5624015.110282,2351434.637217,1],    "boundingVolume": {    "region": [1.891217,0.380012,1.891325,0.380127,0.000000,71.898350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_2556.b3dm"}}}