{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948646,-0.316339,0.000000,0.000000,0.176410,-0.529023,0.830069,0.000000,-0.262033,0.785791,0.560243,0.000000,-1673037.987706,5017155.217919,3553117.679765,1],    "boundingVolume": {    "region": [1.892616,0.594567,1.892712,0.594790,0.000000,8.759073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215369.b3dm"}}}