{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950019,-0.312192,0.000000,0.000000,0.174387,-0.530671,0.829444,0.000000,-0.258401,0.786330,0.561171,0.000000,-1649857.043827,5020618.246873,3559020.797876,1],    "boundingVolume": {    "region": [1.888210,0.595698,1.888381,0.595903,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1433598.b3dm"}}}