{
  "manageEntity": {
    "action": "Update",
    "entityId": "162770660",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf99d67b97b0e9739a85cfb1b85d8cef58dc8ad6c0db27d2f162df65830378df9",
    "signature": "0xee11c327bf70625b385c7bee35155af8794e0b68d3222ad8ba73b97675390ba00fc73ff0f107964470f0d44776d5efaeb8c60c2b3057167187a9c4fdb34109981c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}