{
  "manageEntity": {
    "action": "Update",
    "entityId": "895838027",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratpde4qzgec3gjgphteelm2jz7cgf67g23f7d73sq2bctyiolu5lq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1815005801}]}}}",
    "nonce": "0x0315fb8074e27fa8acb8247f71dfc9e77cc68f75e0ced97cce50cc21de7f8d90",
    "signature": "0xcb0094aa842c67af0b0d8fd6201d33357136c92a8196bd22e8d25ad3ed9b20e2750df7fc1fc41e82589c7a40ada6f0fab6a5bccb3c2344968861de00bbc5e2ca1c",
    "signer": "0x2b73DC8eE88deA3a697F6FD4f8137b517cB5ACDf",
    "userId": "895838027"
  }
}