{
  "manageEntity": {
    "action": "Update",
    "entityId": "272485393",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3e3996949d824c7c14cdc67f4f3028a38a6b6e36a1664055ff4cd37410940bc1",
    "signature": "0xaf7754aa4fa607781aab6995ebb1b57bebd216181846ca4be28b5f9e5828a1431c9eb501e0e868b5491c7acf8912cfddf93bf5e170785db0500a135f50e46b981c",
    "signer": "0xF3329D37206D9EE99ea06a64E66DcC147c8df649",
    "userId": "272485393"
  }
}