{
  "manageEntity": {
    "action": "Update",
    "entityId": "184690472",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf62d871eb2ba7160d604a29030f2a1bb85831e7a2da960feaf9f7bd24964dc74",
    "signature": "0xd0a893d558a37f807bcb71fbad31c9c6febcf426e8361c76fe6b667647732e461e64688f38286e21f6654b97f75c99e2fc8eb937bc5b6e5dd1bdc07ce8ac9a0a1b",
    "signer": "0xE8Cc4bA5Ac60eF4361589B963ED2acBe161c3e3D",
    "userId": "184690472"
  }
}