{
  "manageEntity": {
    "action": "Update",
    "entityId": "27472500",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1c4bbaa3414fb7ff4bc4121d56e991c3226e3d70046a79898d3d6fb8adcce218",
    "signature": "0xe2444b99f853666e02e24490044338b945e23365a3498cc8b2ca476fa73bc45c168ba90983d07e5b2b914c685d95922ae911ec4ec00acf1fa5cc112d1a26094d1c",
    "signer": "0x36DC01256d97Bf62Df713AA6a6009d4A506F0Dbf",
    "userId": "27472500"
  }
}