{
  "manageEntity": {
    "action": "Update",
    "entityId": "58045371",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x919a78210084a2eb56530c975ca7efdc886367fc4901239adefa732434b44c58",
    "signature": "0x1c4eba7405b86f6e620200d5cfceb2e7dce7627e4793915d584488f3f7827fad3873b38225581dfc786dce4222468dc14d83d1a99e1329a0683fc820db5c277f1c",
    "signer": "0xDc77108e6e712f3C3Fe8E2877737aF1d144eD37D",
    "userId": "58045371"
  }
}