{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed3042dc4afbe1111c93f8e853c8211f96f41da74e8f9db0e46b5a2842f4ced5",
    "signature": "0x762b3d1c252d1c407d80dbb7a558b5d742d3dfc89089a37d4cdb839aa90e7ffb52b45324e370b47f19a113eb917926ddab8039b69a3fd682af7469f86cbd2a071b",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}