{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb9a9b990f1adb246e2ceaaeb019c61ba2e3604cfbf762b23cc298ff0df33a851",
    "signature": "0x93ca04a5c74d94b308423bce161935b682c08af83a28c47e41aa3f3d526cbd3e16ba03fcf631558b2bf5de3c78009be0af10bf6a2a648a709570f6673dc2291b1b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}