{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950820,-0.309745,0.000000,0.000000,0.173132,-0.531462,0.829200,0.000000,-0.256300,0.786760,0.561533,0.000000,-1636443.061098,5023365.077075,3561321.648448,1],    "boundingVolume": {    "region": [1.885648,0.596128,1.885794,0.596348,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338997.b3dm"}}}