{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950259,-0.311461,0.000000,0.000000,0.173988,-0.530831,0.829425,0.000000,-0.257790,0.786511,0.561199,0.000000,-1645957.139952,5021771.524054,3559198.256072,1],    "boundingVolume": {    "region": [1.887477,0.595776,1.887576,0.595893,0.000000,8.819647]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1429377.b3dm"}}}