{
  "manageEntity": {
    "action": "Update",
    "entityId": "383246485",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdc83838e5fa8ff9e1bde64f2a71280ce4b793c74592366ed8793b46bf11b8869",
    "signature": "0x7b3c1a14245b4c2d2abfbfccbcae89b499068a65827d61f01027f379b568457c341bcb78a420e1078b6a4bdff69ec613e003f51ec4ce10c09c2cfd2c29926f6c1c",
    "signer": "0x8fE23580516ef5596006BBc1541D2dCab23bCE56",
    "userId": "383246485"
  }
}