{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943838,-0.330409,0.000000,0.000000,0.184459,-0.526921,0.829656,0.000000,-0.273550,0.781415,0.560857,0.000000,-1746579.115551,4989230.128324,3557021.910125,1],    "boundingVolume": {    "region": [1.907486,0.595363,1.907581,0.595478,0.000000,8.799901]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1275403.b3dm"}}}