{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3be39ea0833b275883cfff4bc1a1a6a79756fb399cc4af69981208002a242e37",
    "signature": "0xc28a1bc44a1ca3e4ecc8ab622f0529fc2a0fc18fd6a4a64b2674d45e7e497123608a33b5f75aab5a9c7c0f3b89a0dc0b75f29896b33288d4008b2faf77b68b251b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}