{
  "manageEntity": {
    "action": "Update",
    "entityId": "489026160",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9f0921f269431b1f54a5c22846328f5cb8bce2090f31f99959d21a626b7bb71f",
    "signature": "0x1b0cabcaca5c0f43a3c1f50534f616e5a53fb72331bcefbc541aef21c0a606001e4d53d4b55483c7e7377ab1708304080da0dd7dd80b85c615fd57e4c47c41da1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}