{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949885,-0.312600,0.000000,0.000000,0.174463,-0.530134,0.829772,0.000000,-0.258842,0.786533,0.560685,0.000000,-1652670.321959,5021899.945698,3555926.741587,1],    "boundingVolume": {    "region": [1.888643,0.595147,1.888807,0.595278,0.000000,8.808103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356763.b3dm"}}}