{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950790,-0.309836,0.000000,0.000000,0.173203,-0.531507,0.829157,0.000000,-0.256361,0.786693,0.561598,0.000000,-1636835.684713,5022942.171219,3561734.903204,1],    "boundingVolume": {    "region": [1.885744,0.596207,1.885889,0.596426,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1423751.b3dm"}}}