{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310630,0.000000,0.000000,0.173539,-0.531032,0.829391,0.000000,-0.257092,0.786703,0.561250,0.000000,-1641498.253916,5022999.548711,3559522.416883,1],    "boundingVolume": {    "region": [1.886594,0.595839,1.886710,0.595953,0.000000,8.203801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1343068.b3dm"}}}