{
  "manageEntity": {
    "action": "Update",
    "entityId": "735008058",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierars52pmbpq2br2ynciblhqpvbtpgxvkhrggrntlpl3dq4myhcnhda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":800667846},{\"type\":\"playlist\",\"playlist_id\":1683936732}]}}}",
    "nonce": "0x81820bc7d6cce89a127c5a499c756e7e5889e668d7d95b5bbfbdfc26593b451a",
    "signature": "0x4148b8ea62e649569a36b0cc7b19a3c94a75bf486f01c8c42b7619988a7215ab3355440abaa0feeaa4d04c10fdc0e44f5f250455c4188ed9e903b892f92722ed1c",
    "signer": "0x9F44CF8C40Bd7f9889B18f47B03d4b6E52c0E1Fe",
    "userId": "735008058"
  }
}