{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950518,-0.310671,0.000000,0.000000,0.173517,-0.530888,0.829488,0.000000,-0.257156,0.786785,0.561107,0.000000,-1641905.240045,5023518.210187,3558608.804473,1],    "boundingVolume": {    "region": [1.886637,0.595665,1.886753,0.595779,0.000000,8.370985]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1424255.b3dm"}}}