{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x8fd591a8018aa1f4da8c55a3793210bac5ae1a9a2ac44a184197abccfc6114e0",
    "signature": "0x809d0f59c9dd7fbcd8dac5f87903c29569661c7061cb2e769ac051972b618e073bbfb374c6833fdedb94aa5ec164dd742bedee796caa0611d8fdef3dad9beed31b",
    "signer": "0x9FA029c6E43fD9781215e024e9ae5802602Ed2Db",
    "userId": "738673571"
  }
}