{
  "manageEntity": {
    "action": "Update",
    "entityId": "732347486",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x90f95b529aed6e7e744427baa0083b43c48285b48f86392cbce35e42fc26cda4",
    "signature": "0xcb61db91d90204ae3afb0e0f267f7aba789f58e0aae5fc7113bd79f46a49f07f4599bb423dced07e3e5c1005c3dd8d7735b60608b32c4855c6f98bd1f4bcbee81c",
    "signer": "0x2027077f72cDe67b9d8eDbe020290d8ad0bAd9b4",
    "userId": "732347486"
  }
}