{
  "manageEntity": {
    "action": "Update",
    "entityId": "557135181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraym7rf2odf2enaa3o4ilenp5pvfozxpfijm6dtntjehdlx7g5kefq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":533815830}]}}}",
    "nonce": "0x00acd4d1b16fb004b8c687f9913481ba6bc0c882e9b871052ab41e7ff6476aab",
    "signature": "0xe83a79a7c0bd76e8a876a161197f832609c346576f5c186b61d5aa6f99b45a234b5662a4a0706bf9bd836e1031ba01c9861719f051a0b952a948f84dbb336dd71c",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}