{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952837,-0.303481,0.000000,0.000000,0.113666,-0.356877,0.927210,0.000000,-0.281124,0.882644,0.376709,0.000000,-1793901.545881,5632297.987882,2387748.734835,1],    "boundingVolume": {    "region": [1.879053,0.386191,1.879228,0.386291,0.000000,19.956617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15.b3dm"}}}