{
  "manageEntity": {
    "action": "Update",
    "entityId": "886744869",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0f26d7846d0de2511b40eab4242318f622a32c0bdecfeecedbd018c26859b83b",
    "signature": "0x869846893861f9fda17eb5104867dfb46e6af03e9427958846ff4bbabe1b57bb24d1229b26f5891789f875c7e7db15975d593e78e3dd7b6d11ebc90dd49b224b1b",
    "signer": "0xA25aAd0206917611edC6Fbdd1632e805d998f1FF",
    "userId": "886744869"
  }
}