{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52762",
    "entityType": "User",
    "nonce": "0x01651652c8f8dbec8c62eb1148bea931d02ecbd6c7338b0a454ff1fb21413b3f",
    "signature": "0x005bb9254bb704f73f519c5f45afc8c3a7c54c86561ec4bc3839b3219a245a3b38199da71fdf17b9ed540fe52285242f2deb3da17678683d685f77e3112d32821c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}