{
  "manageEntity": {
    "action": "Update",
    "entityId": "791007895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafsgqnqz6zfmlbeho55rsf2fwvipbwoxobmmv6tlrqvw4gnihlhna\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":964458401},{\"type\":\"playlist\",\"playlist_id\":182045004},{\"type\":\"playlist\",\"playlist_id\":77471891}]}}}",
    "nonce": "0xb631c648700e14d0613ff1acafc657138cae773278776088af0618c215be9bdb",
    "signature": "0xe0a656aee46e2673d9b49dd2c24ba68e92c2c2c08ec947c0c94e81ed55445a224cfe956c8197f56e1b3bea20bcff769ed08c7504fb5b199790b74d21877fd4f11c",
    "signer": "0x78BBB1f31E6bA26dA700D13F74B22F3C34dc89F6",
    "userId": "791007895"
  }
}