{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfd8d1de7f507d3cb936605c0d54b2a75209ff597a84f9b5ffb9af45b9b49b99c",
    "signature": "0x6b106510c129d3b6d6c3a4acf6c7541a1fb4861d613888ea3272fc9a57c476bd3d4d3baa1f453a81ebd94cc996db927cd4a4ca8bb7eeb201e69cd9ce174653c81b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}