{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949059,-0.315097,0.000000,0.000000,0.116192,-0.349964,0.929529,0.000000,-0.292623,0.881368,0.370893,0.000000,-1867251.334388,5624078.253476,2350851.335481,1],    "boundingVolume": {    "region": [1.891301,0.379913,1.891410,0.380028,0.000000,67.897340]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/21_1304.b3dm"}}}