{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950150,-0.311794,0.000000,0.000000,0.174218,-0.530906,0.829329,0.000000,-0.258036,0.786328,0.561342,0.000000,-1647525.899736,5020608.858509,3560106.444557,1],    "boundingVolume": {    "region": [1.887808,0.595902,1.887946,0.596111,0.000000,8.779620]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1430572.b3dm"}}}