{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852874,-0.522117,0.000000,0.000000,0.269397,-0.440058,0.856606,0.000000,-0.446445,0.729265,0.518516,0.000000,-2850055.636963,4655544.712589,3287986.943836,1],    "boundingVolume": {    "region": [2.120081,0.545072,2.120174,0.545157,0.000000,140.438233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_7930.b3dm"}}}