{
  "manageEntity": {
    "action": "Update",
    "entityId": "909324014",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1e321f92054780ccb24155b157bc01fbb77c5c544a04b72550b6f36a4d14d97b",
    "signature": "0x6274f39db4dcbb7fe03857dc0a07f8d90d6c0e6ff1e5fd9d824c1b8827fd45fa6fb1229efe4a47cef94c62477f41ffa83c21b88c876866a5350ec7eaa5b6f2731c",
    "signer": "0x2Bd29Dee908076e063DC46eCaed3cb58E0aac740",
    "userId": "909324014"
  }
}