{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951487,-0.307690,0.000000,0.000000,0.170935,-0.528590,0.831489,0.000000,-0.255309,0.789505,0.558122,0.000000,-1630095.870723,5040827.510635,3539638.066620,1],    "boundingVolume": {    "region": [1.883507,0.592077,1.883615,0.592164,0.000000,7.353890]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/44/48_1321259.b3dm"}}}