{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe54f8cdab63b94ae9836a2c9ae590608afcc6482edbfa73f77009e0d4a8a6098",
    "signature": "0x9bce4035d9eab30754f4fcf58c0eaed7085a6d1b84f2533c69e1e81fb6839fa7198799fdbc8ca2fc127dc3e874a056e2de0b703acb99916afeba4ea365d4fe5e1b",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}