{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948931,-0.315483,0.000000,0.000000,0.116436,-0.350225,0.929400,0.000000,-0.292940,0.881126,0.371219,0.000000,-1869275.681013,5622535.293373,2352918.511139,1],    "boundingVolume": {    "region": [1.891708,0.380263,1.891816,0.380379,0.000000,41.325687]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/25_3703.b3dm"}}}