{
  "manageEntity": {
    "action": "Update",
    "entityId": "132396509",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce49b93584c7e2cef65ed18ea54ffcb722db9d6fe76499dcc350b928cad086b3",
    "signature": "0xddcacd5ec42ff299cbcc8f298eb0978bde6651e4b0eb89a0400a76966ab4e1464dea1a3d144381a4ff21339e6ca96bb479130cd023c8bc11be5691b425576eed1c",
    "signer": "0xb81DABDd3941bE5fB490e40fCEBe7B6141Ad0f47",
    "userId": "132396509"
  }
}