{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898306,-0.439370,0.000000,0.000000,0.284401,-0.581467,0.762242,0.000000,-0.333961,0.682794,0.649817,0.000000,-2133068.321847,4361124.554552,4122704.764721,1],    "boundingVolume": {    "region": [2.025641,0.707307,2.025747,0.707380,0.000000,11.006872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6_1805575.b3dm"}}}