{
  "manageEntity": {
    "action": "Update",
    "entityId": "614212580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarsjd5jdllpvufsvfdd3dfa3r3tj3qpeki5r64lkrssa6g4e52xca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":30281002},{\"type\":\"playlist\",\"playlist_id\":406057964},{\"type\":\"playlist\",\"playlist_id\":31755126}]}}}",
    "nonce": "0xcac88ed6a0d14597b84a563e247a01a03eeee97638a9077333ed1419f2591e68",
    "signature": "0xab24864b3992016d9c3d28f977aecacc4e2d4009ae276c74e20ab28c87bc10224369bc21cce4e11c2ae24322c3e34bfa50713b0f970b5e4287eaac8aab2b7a581b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}