{
  "manageEntity": {
    "action": "Update",
    "entityId": "700682201",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x69573c93436761e131e0e446072bc652379e29ade865523c46ea7aa50f1ffe54",
    "signature": "0xecc7b62f90a70ca8d49f0ee21b4178fa7d4830e305ef599f8c0383540966a708153f2ad0ade8aaafefb14612c45dc31f595a67f14394e4884ce54396cf24ce7e1c",
    "signer": "0xBE9d32514253Dd58e431533A4e86e09cAC16bAe5",
    "userId": "700682201"
  }
}