{
  "manageEntity": {
    "action": "Update",
    "entityId": "468369673",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc30db43fca1c718e4cadd2f1f0a8c02f0192492d0cd79b430ba370a28b1f2851",
    "signature": "0x98a851658e09c20b2dc97335607653b3c50af5f7978cb10096659110556a8f9471d4741c9672fa7c29b1a0c66cef9762e019f503ecae4badd94b011e9ac807721b",
    "signer": "0x3256829bD2C36780Db69b5c18671A1DA06B8d505",
    "userId": "468369673"
  }
}