{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950066,-0.312049,0.000000,0.000000,0.174519,-0.531342,0.828987,0.000000,-0.258139,0.785931,0.561851,0.000000,-1648190.978405,5018081.998143,3563337.931911,1],    "boundingVolume": {    "region": [1.888077,0.596517,1.888215,0.596726,0.000000,8.673000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1399382.b3dm"}}}