{
  "manageEntity": {
    "action": "Update",
    "entityId": "12220",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3dkly6enezshaeus7mzyi3w7adfcpzmvrxymnpfc4e4mf4m5ytqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":20547},{\"type\":\"playlist\",\"playlist_id\":24386},{\"type\":\"playlist\",\"playlist_id\":43826},{\"type\":\"playlist\",\"playlist_id\":28181},{\"type\":\"playlist\",\"playlist_id\":1167573321}]}}}",
    "nonce": "0xcb71b176fc9dd4f0d7b20911e0264f061bb0d9794bac5e1844d67346d41fe3c3",
    "signature": "0x24019d6a0ad35e0b1a52e190c9cded7fda332efb36f1bbf6669cbef0e7936e4d3c376a6ba2a4136e20890df605186f4dae53b876cad8c0e3d9974dc1382015f91b",
    "signer": "0x5Bc42C44dD971a519Bb29863f805CEeE55a44DF4",
    "userId": "12220"
  }
}