{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949156,-0.314807,0.000000,0.000000,0.115962,-0.349631,0.929683,0.000000,-0.292403,0.881606,0.370502,0.000000,-1865844.144376,5625586.895781,2348374.310847,1],    "boundingVolume": {    "region": [1.890996,0.379492,1.891104,0.379607,0.000000,44.614513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/18_7512.b3dm"}}}