{
  "manageEntity": {
    "action": "Update",
    "entityId": "184087318",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2786d142ee03ca3a71928f0ebb65e6b7e5a53939062e692f5b5da55776f554ac",
    "signature": "0xeb523205f5b60669c1ab9013633d2fd4591dd0256a2f3861d1348eb76693bc47698e35ab2ce4c3d6f680033d26b5e37a4faafbb800c1c2802bd32ab2b3ded9151c",
    "signer": "0x4da850Ede639324d11a7c3A991FbC0056f91e146",
    "userId": "184087318"
  }
}