{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1346",
    "entityType": "User",
    "nonce": "0x5ac16742d0b59bf2584da02fa7321738309b052c2a9e1d800915641895f5e230",
    "signature": "0x2cfa481c51e69fd1c8e0b30c8dc5f88d182e119d285c08644832db1a172f8c4a14230adae8db4362548d0a59f09fa1c31f35030320137580c3a21279980c7a581b",
    "signer": "0x14A55CAAD52a18f76025A94865ce06ED8A0Ea2cC",
    "userId": "653598798"
  }
}