{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948849,-0.315731,0.000000,0.000000,0.176208,-0.529548,0.829777,0.000000,-0.261436,0.785680,0.560677,0.000000,-1669232.471721,5016452.691739,3555879.757258,1],    "boundingVolume": {    "region": [1.891975,0.595092,1.892071,0.595315,0.000000,8.309388]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1073596.b3dm"}}}