{
  "manageEntity": {
    "action": "Update",
    "entityId": "958449349",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe98dac6b28fbfb2fe2e7d21c279e6d1391a688ff1a98a954d10e6734a89f2bbf",
    "signature": "0xa6df0c2d12c0adabbb5d545ba44875caee5c847860dc8a751a00b08692920b8e186f7e2114b9af9e1a6d4226997f5d1f08932f5a3c55bb82c32e4d840d2d6ee81c",
    "signer": "0xBBC05aa9c3ef332155b7C0490F15fF7762a556c0",
    "userId": "958449349"
  }
}