{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950164,-0.311752,0.000000,0.000000,0.174137,-0.530740,0.829453,0.000000,-0.258039,0.786458,0.561159,0.000000,-1647548.119133,5021432.993175,3558941.497129,1],    "boundingVolume": {    "region": [1.887831,0.595784,1.887834,0.595786,0.000000,7.133574]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13.b3dm"}}}