{
  "manageEntity": {
    "action": "Update",
    "entityId": "179539086",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5b5f44912501ccdfeac13435e8ffb41654eaa24c91c1c46aa40fa3f53d70d09a",
    "signature": "0x34ba7a4f11db385db768e436ac34addc533554216ed8d52f257cdb6edf8d73e972388adbcaed63efeffa285fdac0d8e6cbee509d2c7b0360be5fd75619dad2181c",
    "signer": "0x7348C6Cb9D0fe9185bb9235A92e6942dFA47e202",
    "userId": "179539086"
  }
}