{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950045,-0.312112,0.000000,0.000000,0.174274,-0.530477,0.829592,0.000000,-0.258381,0.786494,0.560952,0.000000,-1649730.929510,5021656.727410,3557623.291738,1],    "boundingVolume": {    "region": [1.888130,0.595469,1.888294,0.595600,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455591.b3dm"}}}