{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896959,-0.442114,0.000000,0.000000,0.285518,-0.579258,0.763504,0.000000,-0.336608,0.682909,0.648329,0.000000,-2149958.924142,4361826.050465,4113241.763819,1],    "boundingVolume": {    "region": [2.028699,0.705353,2.028802,0.705423,0.000000,8.109864]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_1845341.b3dm"}}}