{
  "manageEntity": {
    "action": "Update",
    "entityId": "897527045",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa7e671fc8f84ee814a4a27bec6c244123732467315221af41d04651ebddef123",
    "signature": "0x8fba5f664d545666f82312f9fb735edaa7d1e69bd0e0ee455e8336fdaf91a2b26c0c1c4bc1e59543d95ac5decc99ed476411fa9dc848bd2ec3143e6f776d889c1c",
    "signer": "0x980AeeD86E76ae7266337DdBE6f3d8C84d4d3f2D",
    "userId": "897527045"
  }
}