{
  "manageEntity": {
    "action": "Update",
    "entityId": "483262046",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfe5cc419a120ab9e08c8daea59c3b05af0b71592a979db6f2255c345809fd4b1",
    "signature": "0xcf491e4c9c73d843a9fe3d15f86d99bb56e0d2c7042c77e73a0af63e6dc3fb260b4015ca9ba1384ee70fd5319455fe59a9bd9abdf1bcbd4fa013bf00fc323f321b",
    "signer": "0x395d3ac0a09Fa9B6ee1A7E0602984FC2c810d326",
    "userId": "483262046"
  }
}