{
  "manageEntity": {
    "action": "Update",
    "entityId": "890891313",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfe33db9e644673f7bc2bf8dc4e81f1fb93b719d5111ed27171faa47c62ba292e",
    "signature": "0x20f1e80267e17c88727e27128b6c639e5b438ab8cf44244e72e3cecd203027c352727a2848194aeb0e7ad8b6fe2a89c4a149f4928c7780c68b972459a51d487b1c",
    "signer": "0x92f4032Ca1B6917614552f8Add356b45B30b75bF",
    "userId": "890891313"
  }
}