{
  "manageEntity": {
    "action": "Update",
    "entityId": "992609738",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x483405622d394dee54236c93b630ecd9edf276b71e4ac0cb75a92fa28752efe6",
    "signature": "0xb55175803c00eb44eee37f7b13adb7bd7bdb0bec64fab4d48f108723fdd8b31c2d5e48e349c0de206fa6764d9d398b74f8c10ac4357e5ee9a4085932ca68ec631b",
    "signer": "0xb29F05332f47a16714B57c4a8E538f461E5F0A3F",
    "userId": "992609738"
  }
}