{
  "manageEntity": {
    "action": "Update",
    "entityId": "308542863",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8f5eda817339e5838bec74b96f9ae55e7958da96abc8c4066128f87e380a5bcb",
    "signature": "0x8fdaf1ed238af21f33f9f10a062b0cb5c9667b10a4f7744474d7fe090b5f246643c875045285903b7e9cc0b35a71e34fe89fee06407213e5aac71d3c36e382101c",
    "signer": "0x79adD0a2Da0445bdf4Fe4a9d04995B4a8354606d",
    "userId": "308542863"
  }
}