{
  "manageEntity": {
    "action": "Update",
    "entityId": "908896153",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3b3kjq7b5kk7djfc26zueebzz2yvkotk6qx7fwjqusj5g2wu4toa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":715017753}]}}}",
    "nonce": "0x18cf4acd35c2324d119bdc7dffd51bef7796a176c5745770aec96758edf58bc5",
    "signature": "0x0e1bf3a08e8b67c47b1b4d65403f2bc335368caec8b1b67f602067d4f9789f021e1406afbc09d40bccdba29a5461dd9c12b53234a21e9fc17f905d520e6094c01c",
    "signer": "0x2Edf46ADa8E59c3B9773BD314ee3E6Cc6CCD4252",
    "userId": "908896153"
  }
}