{
  "manageEntity": {
    "action": "Update",
    "entityId": "250013065",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xee428b474d57f11bde66df618608731fd7e5487bd95f382e4d4c2f509e807557",
    "signature": "0x0e54403f1678819037281dd73746407038db85a6211a3720a8d85bbd333461de1d49b2e60a274b9461f602cf8bd570e9c6fd72c56e0bae0cfe1bdd02e34864911b",
    "signer": "0xEa7c632Cf9c202D2263dE27e69fDE773bbB4BDB2",
    "userId": "250013065"
  }
}