{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897664,-0.440682,0.000000,0.000000,0.285466,-0.581492,0.761824,0.000000,-0.334773,0.681929,0.650307,0.000000,-2138258.436311,4355609.203830,4125824.561668,1],    "boundingVolume": {    "region": [2.027078,0.707875,2.027230,0.708102,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796318.b3dm"}}}