{
  "manageEntity": {
    "action": "Update",
    "entityId": "206867145",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarr3rj5bqx6zroixljsgqzk4owfzttw4g2epejsidnh7jc7cayaqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1291026001},{\"type\":\"playlist\",\"playlist_id\":1966011484}]}}}",
    "nonce": "0xf27c4d6b2fd92cb23b84fd12827d5e03e874fee3eb4bd9d2ebd8594bd4132bbc",
    "signature": "0xc78d8e66f1301b8621281dc2d2b79b52c34d042125427b4388aecc745d31b69035206e3fad8df9590acaae0a651a97491ff8eb6b8fcfe97b490c430e2ed1869f1b",
    "signer": "0x6f2E856bAE9D99f862016d2a2A444B395a759F47",
    "userId": "206867145"
  }
}