{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949886,-0.312595,0.000000,0.000000,0.174612,-0.530595,0.829445,0.000000,-0.258735,0.786222,0.561170,0.000000,-1651991.408718,5019924.284733,3559009.690843,1],    "boundingVolume": {    "region": [1.888644,0.595714,1.888797,0.595882,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1353187.b3dm"}}}