{
  "manageEntity": {
    "action": "Update",
    "entityId": "630332898",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x00659d7112dfe29e8d01d73d0a7af1da2308db37d200446bb69273b177cde317",
    "signature": "0x4ab50cd2fdd700beaccd31150ec7b67d26e7af278af63a8e784ef81f679e7935172cfb6b4097a0abf02c1ad63f4092bb2fb0f3e4968a73b1a67b265d9dd5a05a1b",
    "signer": "0xdeD3191173a5785714D3c5cDa12EE99553e6Ba1c",
    "userId": "630332898"
  }
}