{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948841,-0.315753,0.000000,0.000000,0.176527,-0.530465,0.829123,0.000000,-0.261247,0.785049,0.561648,0.000000,-1668029.174610,5012445.969349,3562047.682879,1],    "boundingVolume": {    "region": [1.891978,0.596323,1.892115,0.596429,0.000000,8.578271]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1056169.b3dm"}}}