{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951523,-0.307577,0.000000,0.000000,0.114960,-0.355642,0.927525,0.000000,-0.285016,0.881730,0.375924,0.000000,-1818731.213395,5626453.655646,2382772.216391,1],    "boundingVolume": {    "region": [1.883394,0.385356,1.883489,0.385432,0.000000,4.072250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/19/52_39025.b3dm"}}}