{
  "manageEntity": {
    "action": "Update",
    "entityId": "61558552",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf17db9f20453273df8f44e3d6340a16a8550dd6fdb69ce58069267f43e77e863",
    "signature": "0x68e286d609a9007a6d7d5367761c7e44df2f1b397f815d7ed600ac1ca856f7f3024606d8122f6cc8ed3a60b5b93317d0263856700da59b3957db6b8b36a6a6bc1c",
    "signer": "0x61AC83c88663678EFA3C3a381aAc1A9F1aBD7B29",
    "userId": "61558552"
  }
}