{
  "manageEntity": {
    "action": "Update",
    "entityId": "635697057",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x56f274e88d38ed1e5e68213d05ad785bd14a309d80cad7bfae6c63461fba1e2c",
    "signature": "0x7ccb156321fbbe942b776c20d297447550acc08b2bb7b809991fbdddace1bbec5408d8280108295b4445b672e6b5a17f3b9cd065d98cd745ae6b766556aa4b4e1c",
    "signer": "0xa5386E1DA6C9B1f6f482C34B8d04A84970da94A1",
    "userId": "635697057"
  }
}