{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950177,-0.311710,0.000000,0.000000,0.174072,-0.530620,0.829543,0.000000,-0.258033,0.786556,0.561025,0.000000,-1647508.658448,5022053.707963,3558089.561512,1],    "boundingVolume": {    "region": [1.887739,0.595565,1.887838,0.595682,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1428200.b3dm"}}}