{
  "manageEntity": {
    "action": "Update",
    "entityId": "245329438",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xec90a408bc0ee279abe87232b97806eb3ad68d8e547755ac10af399e9bec3021",
    "signature": "0x70544638abe1142b07524f608811c2867e3fe5f372a5157033bc20cb358ca7bd0ba309d800ea8e6daa4f03c87f5da6d17d39ad10f7bd1fbe3b4563067dd544031b",
    "signer": "0xc406856A401F90bAB53AB4dE335FCFA7f09379b0",
    "userId": "245329438"
  }
}