{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949431,-0.313977,0.000000,0.000000,0.175527,-0.530774,0.829138,0.000000,-0.259782,0.785551,0.561626,0.000000,-1658674.126816,5015648.004162,3561909.807550,1],    "boundingVolume": {    "region": [1.890125,0.596309,1.890224,0.596391,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1408969.b3dm"}}}