{
  "manageEntity": {
    "action": "Update",
    "entityId": "994837043",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x59855d2befcc757e09a4787b572289b2ed81470b60a433cb83f478f39a6732d4",
    "signature": "0xf5c619a237246c723713638e3dd9a526a816e1c31eccbbebd14b47c8d1ac1c446e92b1f76d6f7d42c805e9bdb94ff3c63ae323883cda919e10e7cd581b00152b1b",
    "signer": "0x6ae0a1f023b73E850eE299ac57e547c85793081F",
    "userId": "994837043"
  }
}