{
  "manageEntity": {
    "action": "Update",
    "entityId": "132103506",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0a3e4acf9b00cc545edf44b792704b6c0e18af4f6c5f2664b3015a41dc636479",
    "signature": "0x2db9bdcd8cefb3f36152b41cd92c8ffa86653af1e6d46d8335a9377c05905a376a23f4d7a55ae8276f8bb9c56c55a6e2fff4f42acdf07fcd44946f07879e0c771c",
    "signer": "0xFc89F8b87577eB13785ce3cA0b136A04ACf8E0b7",
    "userId": "132103506"
  }
}