{
  "manageEntity": {
    "action": "Update",
    "entityId": "833138557",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe0e434eca332ba6d56309d6ebde3ba050bbc773335a21201f2009ef272d71549",
    "signature": "0x5a61a33491bb61e1f75403877721491eec05c54e3df48f9f0175dc4a82eecd347d257b1f70c1887c694c2d70c0ae24510161b1e0d7b2bacb88f74596584be9021b",
    "signer": "0xa00616Dd400f07C9FBbcE3566bDc48BF1518Cf01",
    "userId": "833138557"
  }
}