{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950990,-0.309221,0.000000,0.000000,0.172718,-0.531183,0.829466,0.000000,-0.255948,0.787155,0.561139,0.000000,-1634197.854772,5025882.277577,3558817.129207,1],    "boundingVolume": {    "region": [1.885097,0.595652,1.885243,0.595871,0.000000,8.809593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1421854.b3dm"}}}