{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949544,-0.313633,0.000000,0.000000,0.175313,-0.530772,0.829184,0.000000,-0.259512,0.785689,0.561557,0.000000,-1656953.019010,5016530.152535,3561471.493893,1],    "boundingVolume": {    "region": [1.889764,0.596225,1.889863,0.596307,0.000000,8.315556]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1444257.b3dm"}}}