{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948451,-0.316924,0.000000,0.000000,0.116154,-0.347610,0.930417,0.000000,-0.294604,0.881654,0.368638,0.000000,-1879881.873089,5625870.831849,2336548.546567,1],    "boundingVolume": {    "region": [1.893229,0.377504,1.893333,0.377583,0.000000,6.615586]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/8_17521.b3dm"}}}