{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950532,-0.310628,0.000000,0.000000,0.173274,-0.530225,0.829962,0.000000,-0.257269,0.787251,0.560401,0.000000,-1642622.423490,5026479.061042,3554124.286281,1],    "boundingVolume": {    "region": [1.886559,0.594797,1.886741,0.594943,0.000000,8.820825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449038.b3dm"}}}