{
  "manageEntity": {
    "action": "Update",
    "entityId": "346167558",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x81dc2c93304c2846895dc9008a083cb6788afc349d7f786aea57b602d8bf70a3",
    "signature": "0xbbde32a1a1a257061a00a87bbca21ddd8cc3178edda1d0b41694ae3a6121935b0a854aa81f0873e5999358411fae61be666452f13a52e8147726493a62af1ebf1c",
    "signer": "0xdeC32dAF387d2d311d8e7d9D779C630E32FdE39f",
    "userId": "346167558"
  }
}