{
  "manageEntity": {
    "action": "Update",
    "entityId": "436759062",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9cccf0a2c4347dda09f6ddf3733f0835534e4861d9c7cf5c7299e81be31e3b19",
    "signature": "0x018236d3e9f49478731ea2da366401d3b48c823d2184a6ba25e922c4ba6eb0af2d5175d1190ad02529ef8d0210d22e0740bdfb4186e4e858b9372d0e7697356b1c",
    "signer": "0xF79A8a7657df45b5e7705D391f3B3f2f6f29b958",
    "userId": "436759062"
  }
}