{
  "manageEntity": {
    "action": "Update",
    "entityId": "82452262",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7b40b933e988aa27350fd1130214b78b16e7df2c82ad7f657d1fb5265bb6c0ee",
    "signature": "0xa008a9a8a530e1bbcabe0b03ef1ecb4ebb6a7b73206a35748fcdf77b7913c4db349c79930d1beac8572a6ddd04585a4a575f0067a49bcc45d99f74f45f7bc8631b",
    "signer": "0xDa9D152D5fAB072E432B05d6b2FBd6d512532480",
    "userId": "82452262"
  }
}