{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948575,-0.316554,0.000000,0.000000,0.115762,-0.346888,0.930735,0.000000,-0.294362,0.882074,0.367826,0.000000,-1878331.092552,5628541.118321,2331393.775608,1],    "boundingVolume": {    "region": [1.892843,0.376643,1.892938,0.376697,0.000000,6.458588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_30508.b3dm"}}}