{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951266,-0.308370,0.000000,0.000000,0.171151,-0.527969,0.831839,0.000000,-0.255982,0.789657,0.557597,0.000000,-1634389.527279,5041792.951732,3536303.986361,1],    "boundingVolume": {    "region": [1.884222,0.591444,1.884330,0.591532,0.000000,8.254466]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/51/40_1382859.b3dm"}}}