{
  "manageEntity": {
    "action": "Update",
    "entityId": "305881856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahs2td7bg5vk7j2bnyyucsykr2toxov6wuviymdgv4iatqzyysqoa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":90390257},{\"type\":\"playlist\",\"playlist_id\":347962993},{\"type\":\"playlist\",\"playlist_id\":1458558994},{\"type\":\"playlist\",\"playlist_id\":436112162},{\"type\":\"playlist\",\"playlist_id\":1683859960}]}}}",
    "nonce": "0xf73e2e090e8578b9d2ba7e3daede476c781aa9bf83a3bf40755a4a815697a6fb",
    "signature": "0xfef554907610e596a8b7c35c6d155391f422b671ea2f9b389c8b5910491b53e93b9e9668bcd1a0bcc9535d15aa045bf220f798e289cfcfc7ed33b30f1e4bea2d1b",
    "signer": "0x1dF213775dBDC159FD35d66A30e0b56C55118a34",
    "userId": "305881856"
  }
}