{
  "manageEntity": {
    "action": "Update",
    "entityId": "984161608",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb89af89d26855104e7eba4669a015e97342f9b68d18c7246cc0d39ce8e7e6070",
    "signature": "0x28fbfa27e93823c598c587b7b3563f1ce8aed6038d627081fac3df5eb01cb1f479270a30d4c2483dcd36c65feb7f01abf988307ef873328786a1a5507f141aa81b",
    "signer": "0xd8417Ef2025Cf08B03D8939913A3C227CF7ebCd6",
    "userId": "984161608"
  }
}