{
  "manageEntity": {
    "action": "Update",
    "entityId": "206524150",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x96a83fd552422ddc2393916eca10dfd6f6020bb1ecac593c20b05af524574708",
    "signature": "0x56b4f9e5c8ec265ab7df25732b2d1d80ab1ac4541fa763b80068ed885b9d7f1f2777a113f38f6627870b8f82adcb7349b5d8225b2b17f48143a3e4bcaee42cf91b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}