{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950648,-0.310270,0.000000,0.000000,0.113556,-0.347927,0.930619,0.000000,-0.288482,0.883891,0.368122,0.000000,-1840814.676637,5640139.109598,2333275.113840,1],    "boundingVolume": {    "region": [1.886271,0.376986,1.886276,0.376992,0.000000,5.039668]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/30/20.b3dm"}}}