{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948895,-0.315591,0.000000,0.000000,0.176109,-0.529513,0.829820,0.000000,-0.261334,0.785760,0.560612,0.000000,-1668578.254237,5016964.181376,3555467.936959,1],    "boundingVolume": {    "region": [1.891828,0.595030,1.891923,0.595220,0.000000,8.712492]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/29_1178739.b3dm"}}}