{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312568,0.000000,0.000000,0.174465,-0.530200,0.829729,0.000000,-0.258802,0.786500,0.560749,0.000000,-1652415.068600,5021693.369148,3556334.329001,1],    "boundingVolume": {    "region": [1.888610,0.595224,1.888774,0.595355,0.000000,8.720260]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356125.b3dm"}}}