{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951821,-0.306653,0.000000,0.000000,0.114800,-0.356328,0.927282,0.000000,-0.284084,0.881771,0.376531,0.000000,-1812789.095330,5626728.992460,2386621.089877,1],    "boundingVolume": {    "region": [1.882448,0.386039,1.882494,0.386058,0.000000,19.158520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14.b3dm"}}}