{
  "manageEntity": {
    "action": "Update",
    "entityId": "765383018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramzwwxlk7cjzk4vbzkdn57sksrmce6aheg5vzutunzhyjsilvrg7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":42956642},{\"type\":\"playlist\",\"playlist_id\":168005824}]}}}",
    "nonce": "0xc7d35773d06dd32c6e099bc87ddc516280864b606041a6c064de6aa51f824e00",
    "signature": "0x5a41b0a3c36efa24e06a3731f6b96f04e787fd586a020626bed6ddf0de9b81266576269a49db2b07ecf060181f01938f4168b0fdc036f66c62d3bb29b9c07cef1c",
    "signer": "0x34330f217164e11A470D3a23E97B9B18eAD9Fd6c",
    "userId": "765383018"
  }
}