{
  "manageEntity": {
    "action": "Update",
    "entityId": "359712608",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5cd70976717911156e7573c8c126469726b786193b4d471bb9af5bb4cbcae54b",
    "signature": "0xb88c2e26e1fef4a5e5cde37828dbc48633e69d8f895206daf6f6ea27265aa6ee0b443bf7f43d1013d6b40f6df0c8adac5df926282ef1a6fd3f7c677c8b7149941c",
    "signer": "0xf7Dfe4C36dA2a12e2687555F0186735FeF2A1431",
    "userId": "359712608"
  }
}