{
  "manageEntity": {
    "action": "Update",
    "entityId": "482758325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x139092040d1570776a1869f0dd84c6b03a6a32bf278f5ef0cacdbdde9d6400ae",
    "signature": "0xdb39ba8de09e2abbb33b412140e5e5c61b5a6434725ac11b0dcf4fc2f7d2bc265f9832c89acc9d9180273d38d0feb313a5a7e2f5853ee39999cb2ff79bea67eb1b",
    "signer": "0x4f23AA5962952Aaa54c61cAd319F3Be680F92916",
    "userId": "482758325"
  }
}