{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949308,-0.314348,0.000000,0.000000,0.175422,-0.529763,0.829806,0.000000,-0.260300,0.786088,0.560633,0.000000,-1661979.092480,5019061.165693,3555598.332272,1],    "boundingVolume": {    "region": [1.890485,0.595017,1.890647,0.595283,0.000000,10.265112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1369868.b3dm"}}}