{
  "manageEntity": {
    "action": "Update",
    "entityId": "265874461",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcd035c51424d2dc9e6242a85e103c3b8691b34b4af2659a3bb442de787e41d1e",
    "signature": "0x9756e9ca9d216536711a8beb4542d751396d8a066908af6a475440e95ac6f2b6308685a41bbe86c0bddd284695627201fe0f4235554464514b731924e4988b6b1b",
    "signer": "0x47016be5f3059b02b8941f6121cCe9ba3B3dd542",
    "userId": "265874461"
  }
}