{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950080,-0.312007,0.000000,0.000000,0.174420,-0.531121,0.829149,0.000000,-0.258155,0.786098,0.561609,0.000000,-1648289.365273,5019145.420873,3561804.696584,1],    "boundingVolume": {    "region": [1.888032,0.596225,1.888170,0.596434,0.000000,7.933866]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1336448.b3dm"}}}