{
  "manageEntity": {
    "action": "Update",
    "entityId": "192842294",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfacc4f0d627d6cd92b4494e0212a492e45ce476de92175a21a951201f2974762",
    "signature": "0x1ce985c8544941c8d191cbd276dd579bc3a05fcf6af6aee6fd8a9a31e5770ffe64250b707a7b021b7e9424f132412e0a89ee45ee0ec4dbd76a3406fe59c9559a1c",
    "signer": "0xBA13D48D27606b5da80c3c96a9096cc0c7b814F3",
    "userId": "192842294"
  }
}