{
  "manageEntity": {
    "action": "Update",
    "entityId": "431363092",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1e019c988aafe7ef479bfaac758ae0e2bffce2cc37c1aa57dc57d0658606216d",
    "signature": "0x32a8eb0325f452f9095bcef74a29c149417f2e8bcbf301e8164f77b61490408a78304628d564374feb50a91a34d748c5b7ba311d8a4fcf8200a8f713446167781b",
    "signer": "0xF459aa69A07e0A6c9476Cf5A419Eae4CB82Be26F",
    "userId": "431363092"
  }
}