{
  "manageEntity": {
    "action": "Update",
    "entityId": "292433028",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5dd138d4bee9e55827f8d84cfcd2ead5b655ad05baee5606802fbc6cee05fc2b",
    "signature": "0x3c73446b78e37c94ecfdaed9ca023b671ff6e86da06ff2f690a5f3765344301e4e9a588386c57ae162a760781a79b4e72268a38ddea3e7e82086e45b2f1c2a9c1c",
    "signer": "0x4271322EC7204add6CDDdcb502a46efcc31ec460",
    "userId": "292433028"
  }
}