{
  "manageEntity": {
    "action": "Update",
    "entityId": "241870892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7cabc8c978bdf6d9c7eb5a62a3ff20350ba1600472f007e877a3f3646bf7f848",
    "signature": "0xa42367cf6a337e7a4dd886a9664ad70d41201d881398c9c224952cb29e8045da3694e09a5fcbdde9978ecd867b7ca5c0237bb7db73e3c81297b7c4d8f31ffe661b",
    "signer": "0x6867D51E60764cD265E7aF8e4Abc08B63b75826a",
    "userId": "241870892"
  }
}