{
  "manageEntity": {
    "action": "Update",
    "entityId": "349087503",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4c25dbd3deeefc3e7aacbe16f0087586ada7483d9f1abbebe3f8038493777f6c",
    "signature": "0x34585081d94ff30caaa46e6b34055973089bbc45589a586805151d0bdb0ad3654397619095a30b8955bdd102aa21444f9a7c3dc01cdbf9e81d023733ac9a61471b",
    "signer": "0x05970640625499984072fED7d22Eb1757CBf5926",
    "userId": "349087503"
  }
}