{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951337,-0.308152,0.000000,0.000000,0.171039,-0.528040,0.831817,0.000000,-0.255793,0.789695,0.557630,0.000000,-1633185.851546,5042034.370877,3536514.459676,1],    "boundingVolume": {    "region": [1.883992,0.591484,1.884100,0.591572,0.000000,5.982872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/49/41_1382906.b3dm"}}}