{
  "manageEntity": {
    "action": "Update",
    "entityId": "796506769",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe10602ce30b8896e48788b812b84cf67b26f040096d16ad60ab79d587324a2fc",
    "signature": "0xfc5378cf51b6b29a8eeff33f9bc8b96e3cdf93856690bd32ca2f507d53e018fb1c97d2bf27d2f59d7f0f7e24e3b4f96f7cd484792fa21b3d60055ee5b1bd80ec1b",
    "signer": "0xb077b8D44B18982927EA77e71A59EF1317726d61",
    "userId": "796506769"
  }
}