{
  "manageEntity": {
    "action": "Update",
    "entityId": "473938627",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3ac62388291f63fa729af461c13da8ad1f79b35d99cb9e9c0462bf4f21e2b304",
    "signature": "0xb4f95cef23c779205849f3805a33864c1997c8a6cf6346a6e8c52be0bfd673b50f15b4a8e11e4d6b2372fe4b6291aed863bd6b9facac2de60fdf4b01f0b47ae81b",
    "signer": "0x0DEd7E0f2BB86ee7Aa07A6c8DdBB8c794786a29C",
    "userId": "473938627"
  }
}