{
  "manageEntity": {
    "action": "Update",
    "entityId": "99026604",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb003a88d09074581ac8050ae7a5d2356ec367ca98ca0500fff012329d541936b",
    "signature": "0x2d064b4da548d84424d68ba3d1ea6b95abde01ec6c4b805bfb974ebe6fba460d4e74bad1b8b7ff4ac3ecca09889c7953e6b2e5ec6fd69a10fdbc1ea485ae45661c",
    "signer": "0xD2c8f52BA9f59dB9989BE7fe09C4F914debD1124",
    "userId": "99026604"
  }
}