{
  "manageEntity": {
    "action": "Update",
    "entityId": "804983254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfbf949b59a86a03f79e74194f0eb7be7fe1ae6c3a1b24e43968f1d13172545f0",
    "signature": "0x68cf7d3fc74d4f9442a8f0a15124d04998b39a4c5271063b1b9f8d8778e2400338c6965402d5464bd6f9ec7135dba1dbdb1750338bb51a2e7973f7cb8eeda91e1c",
    "signer": "0xBf8256a3c0a592eCb13c4e83792C5Ba92AF6C149",
    "userId": "804983254"
  }
}