{
  "manageEntity": {
    "action": "Update",
    "entityId": "272153025",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8631d26bf2d233d4be23fe2fd7471219894cacc6534cedf28ae4b8fbc902773",
    "signature": "0x56e8ef9231d7dfb606059bf9f13d090e564353b8defcd4b671dfca7a8de516b9259c650e9d4e0ff93087708e691c1f1bbc7d39b09fb6d2330c10b872187857fc1c",
    "signer": "0x799Ec86DCA9198F96113b753bBf5F1482E3375e8",
    "userId": "272153025"
  }
}