{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949069,-0.315069,0.000000,0.000000,0.176151,-0.530611,0.829109,0.000000,-0.260677,0.785224,0.561668,0.000000,-1664388.870717,5013562.235662,3562178.648819,1],    "boundingVolume": {    "region": [1.891257,0.596348,1.891395,0.596454,0.000000,8.122829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1417539.b3dm"}}}