{
  "manageEntity": {
    "action": "Update",
    "entityId": "417582534",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe833b714a025ca019a8eeb54ea81c2d3c188b02903c16c39bd8f4e56fb245525",
    "signature": "0x25c1bafc23f7414c880cb58912084b177f298cceef6feea3bc9d75a13041bb3a273d6602850bf8aeee4ba295a2aeb4515c6078448dd3146aed840a59ccd7aef21b",
    "signer": "0x15bd1aCC8c18c6F3BdC38130eF5A5A5c55FF3D4b",
    "userId": "417582534"
  }
}