{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898370,-0.439240,0.000000,0.000000,0.284275,-0.581421,0.762323,0.000000,-0.333899,0.682917,0.649720,0.000000,-2132666.693432,4361904.215947,4122091.807338,1],    "boundingVolume": {    "region": [2.025496,0.707180,2.025602,0.707253,0.000000,8.977835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/4_1802648.b3dm"}}}