{
  "manageEntity": {
    "action": "Update",
    "entityId": "805460018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7adbff8fe962f2c4c31ba70794267f3ba001b681ed9c5a52b9abec8f5e3c1110",
    "signature": "0xc7dc16b122030b1ffff8e642391e8fe45a9ed32f32cbb8ae45df28e4ce90a2b35a1508317fddcf0ed8f1f4ba0d80bd2c82d597b8ebf3be2ea4040af221c8baa11b",
    "signer": "0xDEd76C68DF81535Ac67c3D5C95A4918bc43f1F08",
    "userId": "805460018"
  }
}