{
  "manageEntity": {
    "action": "Update",
    "entityId": "801063782",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x40e318d8d4aa8f7304239e4274204c5a08b414e368bca7b22b9c6546b07c209b",
    "signature": "0x1024218cdd04e2bb2c0886f27b056d2ab699f303c946075a66aeb08c97b6e51355acc2d06b4913f3435885694ad076374cf3ddbb218f399e5b119de5adf5bee41c",
    "signer": "0xee60538C91785b28C36b54834B0f47A421E5d176",
    "userId": "801063782"
  }
}