{
  "manageEntity": {
    "action": "Update",
    "entityId": "471791909",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd72292351c4ad55ccf4be795c7233a79a1deedb092cb30fdb007f796ce0540e4",
    "signature": "0x532fce63ca9ca0b6a531602c1e325c2508a81fc4a0adb09245f58a60f222091a63c2855378708cd23fe1e7b0f29a5a5f9a7c61907d4671a35051704430b36a931b",
    "signer": "0xccd1a8cE15F6B7aeA0D18DC514047d362d3c4677",
    "userId": "471791909"
  }
}