{
  "manageEntity": {
    "action": "Update",
    "entityId": "162770660",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapujheii6wdvwalo7s4lkpdcvrnqzg4rx4ohnx4if3eftuuz3f6za\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1380462390}]}}}",
    "nonce": "0xbaee1a1208e068651328f5fb09a30c8f5ca6d089b32d2322ae5e58582d5ecdf6",
    "signature": "0xb12588ed7af67d5506d42e44fd259808e12efd6f52626e852954e477e79828e31c4fdb1e11028bc81c7b5cdd8a0bc45be55456de32af7883518e704e12b78c651c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}