{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897629,-0.440752,0.000000,0.000000,0.283173,-0.576705,0.766306,0.000000,-0.336812,0.685946,0.645008,0.000000,-2151233.225066,4381164.366405,4092110.778792,1],    "boundingVolume": {    "region": [2.027170,0.700999,2.027296,0.701068,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861853.b3dm"}}}