{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950226,-0.311562,0.000000,0.000000,0.174035,-0.530785,0.829445,0.000000,-0.257880,0.786503,0.561170,0.000000,-1646530.370471,5021718.537820,3559009.147299,1],    "boundingVolume": {    "region": [1.887583,0.595740,1.887682,0.595857,0.000000,8.818828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1429050.b3dm"}}}