{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950317,-0.311285,0.000000,0.000000,0.174022,-0.531268,0.829138,0.000000,-0.257555,0.786284,0.561625,0.000000,-1644455.544291,5020330.490522,3561905.971625,1],    "boundingVolume": {    "region": [1.887265,0.596256,1.887417,0.596442,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397293.b3dm"}}}