{
  "manageEntity": {
    "action": "Update",
    "entityId": "68355774",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x33d79abb111883744b2863c412d891521f8b583bf3fc4ccc1d885a744b6121ff",
    "signature": "0x4797269d50c835431ee65c1baba88e81c002c3e0560f7861393d66b52cdbad9971e64c2b3b6256ed3a3fd4f0a4e8f4eaa5449abb3edab9eac053081656097cf81b",
    "signer": "0x91E2D456A8166582638e85F1A1C0cf3e868C3d04",
    "userId": "68355774"
  }
}