{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950550,-0.310572,0.000000,0.000000,0.173474,-0.530940,0.829463,0.000000,-0.257066,0.786788,0.561143,0.000000,-1641336.122673,5023537.851662,3558842.037270,1],    "boundingVolume": {    "region": [1.886534,0.595709,1.886649,0.595824,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424593.b3dm"}}}