{
  "manageEntity": {
    "action": "Update",
    "entityId": "111904859",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf43ee1dd49cc7f7751adbb697edaa52e6d7857bd8ccc973b0a81858ea3ed938b",
    "signature": "0xa5e01b2a9545946dc5d891dcd861fb2560a54055def6e32c71706e191710d24801a69e852dd0ee61e8eb85967b67b5c5e477c60bbe2aa421ee217a78185f31351b",
    "signer": "0x0E22Ebaa95137B9f8A1BF74451A2a0954b28D790",
    "userId": "111904859"
  }
}