{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x5a94163cbeb547216e4d384329f5fd97abc7019d8e50baac3356e3604b849c8a",
    "signature": "0x177af9aedc49a16db3bb5504353784b09f326ae68e045b7eabe90f12e2601c0c16820ab01d9c5c10c0ae641f91b681ecc562601d973afb9ce172cfa17c51ab4c1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}