{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948932,-0.315481,0.000000,0.000000,0.116443,-0.350249,0.929391,0.000000,-0.292935,0.881117,0.371244,0.000000,-1869245.118026,5622478.901509,2353076.475114,1],    "boundingVolume": {    "region": [1.891706,0.380290,1.891814,0.380406,0.000000,41.325687]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/25_72146.b3dm"}}}