{
  "manageEntity": {
    "action": "Update",
    "entityId": "583435112",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbecfa408f6959767624a076ac2daf06db1f6edec24736656174a3b7b0e8c182b",
    "signature": "0xf2f97aba99fd22d47b51aae8b8fec7409a847842c73001d3ecb08a7c493ef89c2e52aed1ff8c7b7aff4047c15e162725d1d8ab4c30a434f1c7985f9bdf797f111c",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}