{
  "manageEntity": {
    "action": "Update",
    "entityId": "10546606",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x82043e0f202bb1628527ff99bcc82769aab661609a8e928f64deaf6e1f643bda",
    "signature": "0x140b041bdd47303b9381d4ab505775971cb5fc1633b2977510a3a518c38c6d451611997696730770025dcb6c52e4ecd1349c768e4a624dc12b27879c8e00bec51c",
    "signer": "0x9F0a33bD4566ba301CCAD12bB3046F52Aad1355E",
    "userId": "10546606"
  }
}