{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950014,-0.312208,0.000000,0.000000,0.174516,-0.531032,0.829186,0.000000,-0.258333,0.786079,0.561555,0.000000,-1649426.921354,5019019.752346,3561457.497832,1],    "boundingVolume": {    "region": [1.888227,0.596161,1.888398,0.596366,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439462.b3dm"}}}