{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950020,-0.312190,0.000000,0.000000,0.174467,-0.530915,0.829271,0.000000,-0.258346,0.786165,0.561428,0.000000,-1649504.344318,5019568.082339,3560654.180877,1],    "boundingVolume": {    "region": [1.888209,0.596008,1.888380,0.596213,0.000000,16.012885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434448.b3dm"}}}