{
  "manageEntity": {
    "action": "Update",
    "entityId": "807162120",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa96124fba9ec47c38f54400d97561414f325362216f7436daac0d27375dde5ed",
    "signature": "0x8c5474114a1ee215ba7fcd5a430f37bccc6bd018a2e3383101394caf3d405f8a3f21831f8deb2bef0d14a7f4ad1ba762082c8bfe90925d0ce15f09e7ffee3bde1b",
    "signer": "0x2A6A76c14278452A9758075478618181052a7c5D",
    "userId": "807162120"
  }
}