{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949887,-0.312594,0.000000,0.000000,0.174627,-0.530643,0.829412,0.000000,-0.258724,0.786190,0.561220,0.000000,-1651919.769712,5019719.912624,3559329.033893,1],    "boundingVolume": {    "region": [1.888643,0.595775,1.888796,0.595943,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352393.b3dm"}}}