{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951054,-0.309024,0.000000,0.000000,0.172575,-0.531118,0.829537,0.000000,-0.255808,0.787276,0.561033,0.000000,-1633300.582768,5026654.566238,3558142.785011,1],    "boundingVolume": {    "region": [1.884890,0.595524,1.885036,0.595743,0.000000,8.740965]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1421648.b3dm"}}}