{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951185,-0.308622,0.000000,0.000000,0.115750,-0.356746,0.927003,0.000000,-0.285822,0.880913,0.377223,0.000000,-1823880.441347,5621264.833424,2391013.189632,1],    "boundingVolume": {    "region": [1.884459,0.386745,1.884622,0.386848,0.000000,27.289516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/15_32928.b3dm"}}}