{
  "manageEntity": {
    "action": "Update",
    "entityId": "665688505",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb5f5f8c5ca1d5f9c9f85f3842956dc522a9df071d244453c8e374396a3baaccc",
    "signature": "0xaabe4588137be69b4ba2b9f855df4a5d618f3bdfa23a4aa826b3115fe2aa2abe41043accb5e53d6766a253b3fba303c6ff1ec617f20d0b87e685dfb92b3e17a11b",
    "signer": "0x6Fa6d440e86a96aE9f12263c1b1383ADaD405a77",
    "userId": "665688505"
  }
}