{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948748,-0.316033,0.000000,0.000000,0.176364,-0.529454,0.829804,0.000000,-0.261695,0.785622,0.560637,0.000000,-1670886.096252,5016083.259883,3555625.971317,1],    "boundingVolume": {    "region": [1.892294,0.595044,1.892390,0.595267,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178946.b3dm"}}}