{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950064,-0.312054,0.000000,0.000000,0.174437,-0.531082,0.829171,0.000000,-0.258201,0.786106,0.561577,0.000000,-1648581.989174,5019194.742091,3561601.131914,1],    "boundingVolume": {    "region": [1.888081,0.596187,1.888219,0.596395,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432923.b3dm"}}}