{
  "manageEntity": {
    "action": "Update",
    "entityId": "486746705",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc26c05c00433ac1b83c333125b4bd26bceea1a5370efb64e8d82b18ca8b08867",
    "signature": "0xd08c31d479380a005773a8dc2ef4fde9b97789986e747ef2198a573365e8cae03b1ae389f5610a48194dfecc64364859c7bacaf733a12bce9367af480e4a97f51b",
    "signer": "0xAd6164Ba35C7e17dCC1Ac6bF049DE92B4F318AC1",
    "userId": "486746705"
  }
}