{
  "manageEntity": {
    "action": "Update",
    "entityId": "417951015",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3d4d399c7e20cf9496a71c2d799630ab252865a0343797a4092a5daf6543c4ca",
    "signature": "0x443f1df7ed51e189d5da247afb36ada68df43226c14bb125be8824ca734868076b2fd91ea75fae22292d760ea5bb555212ec15f890c910cdca923004ebd33ea51b",
    "signer": "0x8802A88b9EB6Af9dfa0553CcF32fd9a231Cb7b5B",
    "userId": "417951015"
  }
}