{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948822,-0.315811,0.000000,0.000000,0.176336,-0.529784,0.829599,0.000000,-0.261446,0.785488,0.560941,0.000000,-1669295.854464,5015234.665546,3557556.425391,1],    "boundingVolume": {    "region": [1.892059,0.595410,1.892155,0.595634,0.000000,8.793842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181434.b3dm"}}}