{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383719",
    "entityType": "User",
    "nonce": "0x9e88abc202b68a6132cb2f7b35e6eb4a771f46e62e3db5c7e9c5f530518ffdc3",
    "signature": "0x51ef7430fad8fd9748321ebcd6f852bdc663aae3e09021e97a58b997061fe83c646b7b006d5f49524a25120e239d61fb62c12daf4939e9665da461297917ce221b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}