{
  "manageEntity": {
    "action": "Update",
    "entityId": "291734388",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ec85e0ac886748170acd97ea953b1ad937758b16fe49297cc9d58dea332144e",
    "signature": "0x8e28d7294f9594073f0d95b57c4eae3b2cfb0b7d57db3a206a17d44b73117b89395df46cfacb87058def7d84abf31af080fd3ba41b35e03fd87f6e482fd800031b",
    "signer": "0xA0A2Ad7fFe32949C0cA98362d65f1527333fbd09",
    "userId": "291734388"
  }
}