{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949022,-0.315211,0.000000,0.000000,0.175792,-0.529266,0.830045,0.000000,-0.261091,0.786079,0.560277,0.000000,-1667026.531757,5018997.981443,3553339.138531,1],    "boundingVolume": {    "region": [1.891428,0.594625,1.891523,0.594816,0.000000,16.978049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1212641.b3dm"}}}