{
  "manageEntity": {
    "action": "Update",
    "entityId": "239876585",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6f8e07b7b2503ebf8714b1c792f710e5366829d2d5422d9323d547061ac9871b",
    "signature": "0x04fbdf51b748b84c631620b0c7c4ec6d2d3a748f89f05ead16b4d0b672158df56b110dc5a49ba4dafde138a793d5d33dc0729dfab50824cc3cc97f71ed62554d1b",
    "signer": "0x07e5753264E3b7F0c0ba1452D6a786dbd1Ea9FCD",
    "userId": "239876585"
  }
}