{
  "manageEntity": {
    "action": "Update",
    "entityId": "78848634",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x83186946b03902e53e139b29dc2009be5b2c23bdb8d034f7b1e37b5629518c49",
    "signature": "0xf85e65d7cd46db2d78b4d0d93ce1fff28392adbfb8d15dea2b73a72f337fcd821dbf0b637a699af4eb5d18a9cc1f05459120391033577225e57514f7fd4badee1b",
    "signer": "0x946F0aCd9CD0376925ba9Adb8da9e219f86b8AF3",
    "userId": "78848634"
  }
}