{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950647,-0.310276,0.000000,0.000000,0.173403,-0.531285,0.829257,0.000000,-0.256757,0.786671,0.561449,0.000000,-1639361.571071,5022797.969210,3560782.854246,1],    "boundingVolume": {    "region": [1.886231,0.596086,1.886328,0.596185,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1426963.b3dm"}}}